Senbei Norimaki, Penguin Village's goofy scientist, finally finishes creating the perfect humanoid android. Her only flaw is that she is nearsighted and needs to wear glasses. Senbei takes her into town to convince everybody she is a normal 13-year-old girl.
Arale starts her first day at Penguin Village Junior High School. While introducing Arale to the principal Senbei meets Ms. Yamabuki, Arale's new teacher who Senbei falls in love with. While Arale is at school she meets her new friends Akane Kimidori, Peasuke Soramame, and Taro Soramame.
All the people who are in the school activity clubs have asked Arale to join them because she is extremely talented in all kinds of sports. Arale decides to attend all the clubs but, because of her abilities, she starts lots of troubles at the clubs...
Arale comes home from school and tells Senbei that the girls at school said that she is missing a part of the body that the other girls had. Senbei makes a pair of glasses that see through people's clothes so he can see girls naked and find out what "body part" she was missing.
Senbei gathers Arale and Peasuke to come along to a trip on the Time Slipper to the prehistoric ages to catch a dinosaur. While failing to get a dinosaur they meet Peasuke's prehistoric ancestor who gives them a rare egg in exchange for Senbei's lighter. When they return to the present the egg hatches and a strange angel-like baby creature comes from the egg.
After the strange baby hatched from the egg, Arale and Senbei try to raise it. They find out that it eats metal and is powerful after it survives a long fall after Arale threw it to high on accident. Later at night in the bath, Arale and Senbei discover that it has wings. They decide to name it Gadzilla but "Gatchan" for short and then keep it as a member of the family.
Arale has told Senbei that a teacher is coming to their house. Once he hears this, he thinks Ms. Yamabuki is coming, so he has invented the barber machine to groom his hair to look nice. However, this barber machine is a failed robot.
Arale and Gatchan meet a bank robber while playing outside. The bank robber tries to use them as hostages but instead becomes frightened at them because Arale didn't get hurt when accidentally shooting herself with his gun and Gatchan nibbles a part of his gun when he tries to aim it as a hostage.
Arale's day is a normal day for her, but it is not a normal day for everyone else! In the morning, she destroys a police car, and at the school, she eats a bunch of whiskey bonbons and gets drunk. That night, she starts having a stomachache.
Donbe plays spiteful pranks on the people of Penguin Village. He runs into trouble after failing to impersonate Miss Yamabuki to get the school's fish and Dr. Slump is mistaken for Donbe. As Donbe finds out how powerful Arale is, he gets his foot caught in a trap and reveals to Arale how badly humans treated him and his parents. Arale invites Donbe over to Dr. Slumps to receive medical treatment despite the trouble the fox caused him.
Arale blabs to Dr. Slump about Miss Yamabuki's strawberry panties. Helped by Arale's animal friends, the professor conducts a complicated scientific process so he can get a peek at Yamabuki's panties. However, his attempts fail, leaving him in a state of shock.
The Alien King Nikochan abducts Arale and Gatchan and is intent on destroying the Earth, but Gatchan eats the alien spaceship. While Dr. Slump builds a new spaceship, Nikochan is driven crazy by the positive reactions the inhabitants show towards aliens. The new spaceship is finished but never leaves the Earth.
Dr. Slump is antagonized by a crazy and quick-judging policewoman. The professor finds himself chased by the townspeople when he tries out his invisibility formula until he sustains full-body injuries.
Dr. Slump chastises Arale for her antics. Arale's old acquaintance, Thief-San finds himself dragged into the house, but Arale helps him steal the household inventions, to Slump's chagrin. Still determined to prove that she is a good girl she takes Yamabuki's lesson with such enthusiasm, that she terrifies the animals of Penguin Village and puts the police through a lot of trouble.
Suppaman has appeared at Penguin Village. He thinks he is a superhero, but everyone knows he is a troublemaker. The only thing he can beat Arale and Gatchan in is rock, paper, scissors. However, for some reason, Arale starts to admire him.
Arale finds a camera that will show the future. She takes everyone's photo with the camera to see how the future will be 10 years later. All of her friends become 23 years old, but Arale is still the same...
Trampire and a werewolf come to Senbei's house for fresh blood and money. Trampire tries to drink Arale's blood, but it's impossible since Arale is an android. Then, Arale and Gatchan start sleepwalking and scare the two monsters away.
Arale and Gatchan have gone to the world of fairy tales by Wonder machine. In "the Peach Boy" world, she becomes friends with devils and they start playing a game of tag together! Then, Arale starts changing the fairy tale.
Senbei and Ms. Yamabuki go to outer space. While they are flying in outer space, Senbei wants to go to the bathroom, so he decides to land on the closest planet. However, once they land on the planet, Ms. Yamabuki is kidnapped by a monster.
When Senbei returns to Earth, they meet old Akane and Taro. When Senbei tells his name, they don't believe him. Because, according to them, the real Senbei never returned to Earth since he left 50 years ago.
Dr. Slump fits a miniature spy camera in Arale to survey her activities and get a glimpse at Miss Yamabuki's panties. His plan works, but Dr. Slump proceeds to make a video recorder and sends Arale to take a bath with Miss Yamabuki, so he can record a video of Yamabuki's naked body. This does not work out for him with Arale being distracted and Donbe makes Dr. Slump's plan backfire.
Two aliens show up in Penguin Village. They accidentally dropped their child on Earth, so they come to look for their child. Once they see that Gatchan and Poo are playing, they finally find their child.
Recently, a lot of crimes are happening in Penguin Village. One day, Suppaman robs a bank. Polices arrest Suppaman, but he easily breaks out from the jail. A police officer, named Arale, starts chasing Suppaman.
Arale finds out Kinoko wets her bed, so now she wants to wet her own bed. Arale tries to dream about something related to water, but she still cannot wet her bed... So Senbei invents a pillow which will allow her to dream about anything.
Senbei tries to become famous because he thinks Ms. Yamabuki will like him. So, he invents a Movie Machine to shoot a movie easily. He lets Akane be the producer and he becomes the actor of "The Little Cat Riding Hood".
Arale and Peasuke believe in Santa Claus, but Taro and Akane laugh at them because they think it is so childish to believe in such things. So Senbei decides to become Santa Claus to show Taro and Akane... seeing is believing.
Today's episode of Dr. Slump is extra special! It is a musical of Cinderella! Senbei becomes Cinderella and Arale becomes the witch in this episode! However, it seems like this Cinderella story is something different than the usual Cinderella story...
Arale time slips to "a while ago", and meets Musashi, who is on his way to have a duel with his rival Kojiro. However, somehow Arale and Musashi start doing Rock Paper Scissors, but he refuses to lose to her, so he keeps on battling...
The police officers, Gala and Pagos, meet Arale on the street. For some reason, she doesn't destroy their police car as she usually does. They start wondering something is weird about her so they decide to follow her.
Senbei, Arale, and Gatchan have gone to Metropolis Island because Senbei gets an offer to be on TV. While Senbei is shooting the TV program, Arale and Gatchan start playing war outside of the studio and they start destroying the whole city.
Chivil tries to take Senbei to hell, but Senbei keeps complaining to Chivil that he should go to heaven instead of hell. However, on Chivil's record, there is proof that Senbei has done something bad in his past...
Senbei makes a promise to Arale to take her to the Amusement Park. However, Senbei also makes a promise to Ms. Yamabuki to take her to a movie on the same day! He doesn't want to cancel both, so he invents his copy to keep both promises.
The Can Kicking Contest just started!! Everybody in Penguin Village is very excited because the winner will have whatever he/she dreams of. Senbei tries to win this game because his dream is to marry Ms. Yamabuki.
Everybody in Penguin Village is talking about the Mysterious Thief Gang. But actually, Arale, Gatchan, and Akane are the thief gang. After they steal Ms. Yamabuki's strawberry pattern underwear, they decide to take Senbei's baked sweet potato.
Anko and Nonko come to Penguin Village for sightseeing from Metropolis Island. However, everybody in the village thinks Anko is Arale, because they look very similar, so they decide to get revenge on her...
Arale and Akane find a weird Takoyaki-ya. Arale never has had Takoyaki before so Akane teaches her "Huff Huff Puff and Eat" technique. Arale loves this technique, So she starts doing "Huff Huff Puff" to all the stuff in the Village.
A samurai warrior Sugata Sankaku comes to Penguin Village. He is very strong but also he is very hungry. When his hunger reaches an intolerable level, Arale asks him to come to her house to have some of Senbei's ramen.
Senbei invents a miniature house. This miniature house is not a regular miniature house. Whatever happens in the miniature house will become true! So Senbei wants to use this miniature house to make Ms. Yamabuki fall in love to him.
The writer of Dr. Slump, Mr. Toriyama, is under huge pressure to meet his deadline every day. So, he requests for Senbei to invent the machine which will stop time. To make the Time Stop Machine, Senbei requests to make him and Ms. Yamabuki marry.
Something is weird about Ms. Yamabuki! It seems like she has a "Mosquito's Super Market Disease". So, Senbei decides to become small by using the Big-Small Ray Gun and tries to get inside of Ms. Yambuki's body to fix her.
Arale starts working at an ice cream store as a part-time job, but she is having a difficult time selling the ice cream. So, she finds other interesting stuff in the street and she starts forgetting about her job.
Bad guys, who broke out from space-jail, arrive in Penguin Village. They decided to kidnap Arale to make some money. However, somehow Arale thinks these three are Angels so she requests crazy things from them.
This episode is about the future. In the Momonga Kingdom, Arale and her friends are stealing a lot of stuff and became violent. One day, they feel very bored so they decide to steal a giant robot from Senbei's base.
Alien Bubibinman comes to Earth to become a superhero! But he looks just like a fly... Arale thinks Bubibinman is a fly that became bigger by the Big-Small Ray Gun so she decides to spray bug killer on him.
Dr. Mashirito has an evil plot to conquer the world with his robot! But once he finds out Senbei created super robot Arale, he decides to send him a letter of defiance. However, when Senbei receives the letter he thought it was a love letter.
Senbei is so excited to have a date with the "World's super star". The rumor circulates all over the village. Everybody is excited to see the "Super star", but once they found out the superstar is Dr. Mashirito they start booing him.
Dr. Mashirito decides to get revenge on Arale! At the same time in Penguin Village, Suppaman sets up an "Earth Guard Corps". Arale, Gatchan, and Butao decided to join the corps to fight for Penguin Village's peace.
Arale tries to play soccer, but she kicks her own head instead of kicking the ball! Her head flies far away that she can't even find it. While Arale is looking for her own head, everybody starts to worry because she is not coming back.
While Arale and her friends are drawing graffiti on a gravestone, a grandma, who has special powers, shows up and tells them that they will have bad luck because of it. Are they really going to get bad luck?
Arale's school is looking for a new PE teacher. Senbei sends a resume to school because he wants to work with Ms. Yamabuki. However, he finds out there is another person who applied for PE teacher. It is Suppaman.
Senbei decides to fake an illness to be nursed by Ms. Yamabuki. So he asks Arale and Gatchan to go buy a watermelon. They look for a watermelon everywhere but cannot find it, because it is not watermelon season right now.
The big race just started! Arale is so fast until she gets past the lake. At the lake, she meets an animal called Rasee and they start playing. While she is playing with Rasee, everybody starts passing her.
Arale plants a button in the pot because she thinks it is a seed. The next morning, there is a bottle of milk on the pot. Arale thinks the button, which she planted, become the milk, so she gets so excited!
Senbei's grandfather and his grandson, Ryota, come to Penguin Village. When grandpa hears Arale is Senbei's younger sister, he starts wondering because Senbei's parents passed away more than 20 years ago but Arale is still only 13 years old.
The night of Christmas, Santa Claus Senbei, who just lost his job, lights a match. When he lights the match, a princess's vision comes to him. It was the Midori princess who is under a spell of a magical match. Senbei decides to break Midori's spell.
Arale and her friends see a space ship in the sky so Arale attacks the space ship with her beam to catch it. A Family called the Tsun family is on the space ship, and they decide to live in Penguin Village until they fix their space ship.
An alien, Tama, comes to Penguin Village to kill all the people on the Earth. When Tama meets Senbei and the other people from the village, he starts to felt guilty about killing them. But he has to follow the mission so he decides to set a time bomb.
When Arale is playing in the primitive age, a meteor falls out of the sky, so Arale kicks the meteor back to the sky and it flies away with Gatchan until it hits Venus! When Arale comes back to the present time, people find a human mark on Venus.
Senbei invents the gravity-control machine. He tells Tsuruten that if he attaches this machine to their spaceship then they can go back to China. Tsuruten gets so excited about this but Taro, Tsururin, Akane, and Tsukutsun start feel very sad.
Almost time for the entrance exam for high school! Skop starts to become worried about the exam because he has been playing with people in Penguin Village, so he goes back to Metropolis Island and tries to study there.
Space detective, Heiji, comes from the Hanano Oedo planet. Since Tsukutsun has a great technique of fighting, Heiji asks Tsukutsun to fight with the Benigumo Family who has been rampaging through the Hanano oedo planet.
To rescue Ms. Yamabuki, Senbei and Arale head to Mysterious Island! On the island, there is a super-strong child who is trying to cook Ms. Yamabuki. So, Arale tries to fight with the child but her energy gets depleted and she stops.
Two guys, who experienced Aoi's dangerous driving, become hijackers. Surprisingly, the plane they hijack is the same plane Arale and Aoi are on! Because of Arale and the hijackers, the pilot cannot pilot the plane anymore, so Aoi decides to pilot it.
When Gatchan is playing at the beach, Gatchan finds a huge egg. Arale and Gatchan start warming the egg. A couple of days later, a baby Penzarashi hatches from the egg. They decide to look for the baby's parents.
Senbei accidentally touches someone's breast and he runs away. He starts to worry about being caught by the police, so he invents a helmet which makes him transform into different people. However, Akane wears the helmet to become Senbei, and she starts touching everyone's butt and flipping everyone's skirt up.
The Treasure hunting just started in Penguin Village! Senbei and others are struggling to break the secret code. While they are looking for the treasure, Bibiruman, the family of car-hijacking, and Joe Dan try to get vengeance on Arale.
Mr. Kuriatama is mad at Arale and other students because no one listens to him. So, he decides to work at Metropolis Island Junior High School. On the next day, he goes on a school trip with students and they get swept out to sea.
Senbei receives a gift from Ms. Yamabuki, but it says "Don't open the gift until 3 o'clock". While he is waiting to open the gift, he starts reading Arale's picture diary. But in her diary, there is a horrible truth.
The Norimaki castle's King Senbei is very happy because he gets married to Princess Midori. Later, a bad feudal lord, Mashirito, tries to attack Penguin Village because he is so envious of Penguin Village's cake.
Senbei finally invents a nice spaceship. But in case something happens to the spaceship, Senbei decides to let King Nikochan experiment with the spaceship. King Nikochan is so excited to go back to his planet! Can he finally truly go back?
Once King Nikochan gets back to the Nikochan Planet, they find out that the planet has been attacked by Komattachan. So King Nikochan tries to attack Komattachan, but he is so strong that King Nikochan cannot beat him up.
So far the High School Team is winning the game! In the last game, Arale and Tsukutsun pair off against Taro and Tsururin! When Tsukutsun tries to fight with Tsururin, he cannot beat her because she uses her magical power.
In Senbei's dream, Midori tells Senbei that there is someone she likes. Once he wakes up, he starts inventing contact lenses which will show one's love. Now he tries to look at Midori with the contact lenses to find out who she likes.
Today is Midori's birthday. Once Senbei founds out that, he decides to propose to Midori, so he writes a letter to her about when and where they are going to meet up, and he asks Arale to give the letter to Midori. Can he finally propose to Midori?
Senbei wants to take a bath with Midori, so he starts reforming his bathroom. When Midori comes back from school during her lunch break, they have a nice time. So he starts becoming more excited about tonight's bath time.
Mashirito builds a robot called Caramel Man 004 to get revenge on Arale. Mashirito gives an order to Caramel Man 004 to go to Penguin Village to attack Arale, but once he sees Arale he falls in love with her.
Caramel Man 004, who falls in love with Arale, goes back to Penguin Village. Finally, they start fighting, but Arale is so happy that she has got such a strong friend. So, Arale invites Caramel Man 004 to her house.
Caramel Man 004 accidentally hits Mashirito, who is wearing Senbei's mask. So Mashirito kicks him out of his house. He doesn't know what he has to do. But finally, he decides to live in Penguin Village.
Arale is going to sleepover at Obotchaman's house! They decide to do arm wrestling but before Obotchaman starts to do that, he goes to Senbei's place to get permission to touch Arale's hand. Once he gets permission to touch her hand, he goes back to his house, but when he enters his house Tsukutsun is waiting for him.
Today is the first day of school for Obotchaman! Arale goes to pick him up before school starts, so he gets so excited. But, when he arrives at school, Mr. Kuriatama tells him that he needs to take an entrance exam.
Now there are two Gatchans, so they eat more than before! Midori tells the Gatchans to eat the ground outside instead of the furniture. Then, the Gatchans start to eat the soil every day and something comes out from the ground.
A boy named Syoppaman comes to Earth in a UFO. Syoppaman is Suppaman's younger brother, and he comes to see his brother from the Okakaume planet. After they greet each other, they start patrolling the village together.
A bank robbery occurs in Penguin Village. The suspect, Wanisaburo, seizes a hotel. Wanisaburo's mother tries to stop him but he doesn't listen to her. Penguin Village's chief of police decides to ask Arale to arrest him.
Suppaman asks a Monster Turtle to take him to the "Dragon King's Palace", but the turtle doesn't want to take him. Then, Arale and Obotchaman show up and save the turtle. Now the turtle decides to take them to the Dragon King's Palace.
Obotchaman finds fake Arale from Mashirito's research lab so he notices Mashirito is trying to attack Arale. So he goes to save Arale from Mashirito and Caramel Man 007, but 007 is too strong and he cannot defeat it.
Senbei tries to fix Arale and Obotchaman but he cannot fix them right away. So while he fixes them, he temporally attaches Arale's head onto Obotchaman's body. However, Midori accidentally sees Arale's body.
Senbei time slips to three days ago to check how to re-build Arale. But instead of time slipping to three days ago, he time slips to three days later. But when people in Penguin Village see him they get so scared!! Later, he finds his own grave.
Senbei finally fixes Arale's body! But, somehow gas is leaking from her butt! So, she starts jumping with her farts. Once Peasuke sees that he wants to jump with his fart too, so he starts to eat a lot of potatoes.
Suppaman gets burned badly, so Obotchaman decides to give him medical treatment at his house. Once Suppaman gets to Obotchaman's house he is very surprised because it is his missing house. Now Suppaman starts getting angry at Obotchaman.
Senbei can't wait to go to the restroom so he finally poops in the street. Senbei's poop gets so excited because he has never been outside of the restroom. While he is walking in the street, he becomes friends with a bird's poop and a cow's poop.
A gorilla gets attacked by a hunter so the Gatchans rescue him. The gorilla used to hate humans but when he meets Norimaki's family, he becomes closer to them. But one day, the gorilla suddenly disappears.
Midori gains weight so she decides to run for a month. One month later, when she weighs herself, she is still gaining weight. She gets shocked and she faints! But once Senbei takes her to the hospital they find out an exciting result.
A baby boy is born from Senbei and Midori. Senbei names him "Turbo", and he goes to take a walk with Turbo to show everybody. But once he starts paying attention to different stuff, all of a sudden Turbo disappears.
Turbo is on his leash to not be lost, but he wants to move around so he invents his robot clone to be on a leash. But then, Senbei decides to take Turbo to the beach. Now, the copy robot starts crawling away by itself.
A huge baseball game between Penguin Village High School and Metropolis Island American High School is just beginning. The American team is very strong but the Penguin team doing pretty good too. And, now the batter is Arale.
Arale hits a 200 km's super fastball, so the Penguin team finally gets one point. But the American team keeps getting more points and now the batter is Rice, who hits the ball super fast. Is there any way the Penguin team going to win?
On the way to the school, Akane sees exactly the same situation as she saw in her dream. When Akane sees Turbo is flying, she thinks she's dreaming again. So she decides to do whatever she wants in her dream.
A ghost named Hanako asks Senbei to make her alive again. So, Senbei decides to go back to the past to save her from the accident that killed her. But once he gets to the past, the "past" Hanako starts becoming suspicious about Senbei.
Arale and Senbei turn into flies by the transformation Ponpoko gun. But Gatchan accidentally eats the Ponpoko gun, so they cannot go back until Turbo creates another Ponpoko gun. Now they have to live as a fly until they can go back.
Trampire starts a part-time job as Death. She tells Senbei that he will die today, but she also tells him that if she sucks her blood he will be alive, so he lets her suck his blood. Once Midori sees that she thought they were having an affair.
To attack Senbei's house, Mashirito invents a Santa Claus version of Carmel Man 007. After he invents Carmel Man 007, he realizes that Christmas is 6 months later... So he decides to change the date to Christmas! -How he's going to change it?!
"Who is the strongest in the world tournament" just started. Once everyone finds out the prize is 400,000 yen, they get so excited. Now, everybody including Senbei and Arale decides to be in the tournament to get the prize.
There are so many strong people attending the tournament, so Senbei and Tsukutsun lose easily. But on the other hand, Arale keeps winning the tournament. When Arale and Mashirito start to fight for the final game, Mashirito easily defeats Arale.
When Arale hears a sad story about the violent Torahachiro and Java sparrow from Peasuke, she decides to give Java sparrows to Torahachiro. But Torahachiro doesn't take the Java sparrows, so Arale forces him to take them.
The two Gatchans are playing with a robot clone which was made by Turbo. Then, a god shows up and tells them he is going to bring one of them to space to control another planet. -Which Gatchan will go to space!?
God decides to destroy the Earth, because of Gatchans' mischief. But Obotchaman treats the god nicely, so he changes his mind. However, the god starts to become suspicious about Obotchaman's kind actions, so he decides to stoke Obotchaman.
Even though Senbei is the main character of Dr. Slump, he realizes that he is not on TV as much as before, so he tries to invent something amazing to be on TV more. "The time stop watch" which will stop the time.
One day Senbei tries to invent an object transfer machine, but somehow he invents a 3D graphics transfer machine. Arale starts playing with the machine and she starts to show up & disappear all over the place.
While Tsukutsun and Akane are having a date, a plane crashes in front of them, so Tsukutsun goes to check the plane to see if there are any injured people. Once he gets to the plane, a princess, who looks just like Akane, collapses from the crash.
When the bad guys notice that Akane is not the real princess, they decide to kill her. But Tsukutsun tries to defeat the bad guys, so the bad guys bring out a magical teapot in which a bad monster lives in to defeat Tsukutsun.
King Nikochan is telling his two sons about his fake heroic story on Earth. So now they wanting to go to the Earth, but he ignores it. However, his wife tells him to take the kids to the Earth, so King Nikochan has to go back to the Earth with them.
While Peasuke is having a date with Hiyoko-chan, a school gang leader asks him a question. while the gang leader asks something, he accidentally pees in his pants and escapes. So Hiyoko-chan tells him that she doesn't like him anymore.
All the characters in Dr.Slump start wondering about their real age, so they ask Toriyama, the writer of Dr. Slump. Toriyama tells them their real age is 17. So, from the next day, they start attending school as high school students.
Once Arale hears Taro is going to get the driver's License, she starts wanting the driver's license too, so she goes to traffic school with him. But the people from the traffic school tell her that she is too young to take the exam.
A bike boy falls in love with a girl, who always drives her racing car, so he asks her out. But she tells him that if he can beat her in a race then she will go out with him. Her car is way too fast so he decides to ask Arale to be his bike.
An elite policeman, Charmy Yamada, has been transferred to Penguin Village Police Office from Metropolis Island Police Office. Once Charmy Yamada goes on patrol, and he starts arresting everyone in the village.
Almost all the people from Penguin Village get arrested by Charmy Yamada. Everyone starts complaining about their arrest, but once they notice that Arale has not been arrested yet they calm. So, Charmy Yamada decides to look for Arale.
Obotchaman is always on time at school, but one day he oversleeps and comes to school late. Once he gets to his class, he realizes that he cannot find Arale. No one tells him where is Arale, so he starts to worry about her.
Auntie cow's milk doesn't come out, so Senbei tries to invent a medicine for her to be able to breastfeed. Later, Arale goes into Senbei's lab while he is out, and she accidentally puts the medicine into Senbei's coffee.
In the middle of the night, Senbei starts thinking of what to give to Midori for their Anniversary. All of a sudden, Midori screams "Pumpkin!" during her sleep. So he decides to give Midori a Pumpkin, and now he goes on a trip to find one.
Senbei invents a powerful safe to hide his dirty magazine. He decides to use a magical word to open the safe, but Akane easily finds out what the magic word is, so he decides to change it to a different word which no one knows.
TV station calls Senbei to give him a chance to win one million yen. First, he has to get through a tongue twister, but he can't say it correctly so he loses his chance. So, he decides to time slip to 30 minutes before to say the tongue twister correctly.
Obochaman dreams about his marriage with Arale. But Arale tells him "She likes everyone" so he gets so shocked. To make sure of his love with Arale, he decides to go to 10 years later by the time machine.
Arale gets so excited to have a piano lesson so she can't sleep that night. So she decides to go to school in the middle of the night to play the piano, but once she gets to the school she hears the piano from a room.
In 2095, a scientist invents a super battery which will increase a robot's power 10 thousand times more. The scientist tells Senbei to bring the battery to the Penguin Village, but at the same time, Mashirito is trying to steal the super battery.
Arale exchanges the super battery with a puppy. Once Mashirito gets the super battery, he runs away with Bibiruman, but Arale chases after them!! When Bibiruman kicks the puppy, Arale kicks him back but all of a sudden her energy runs out.
A housekeeper robot, Akiko, comes back to Senbei's house. Once she sees Senbei she gets so excited that she hugs him very tightly. Now, she starts to decorate the house, but when she meets Midori, she gets mad.
Suppaman decides to have pet a cockroach to make some money. In the begging, the cockroach doesn't want to be Suppaman's pet but later on they become real friends. One day, Suppaman and the cockroach go to a restaurant together.
Margarine Kingdom's Prince Obotchaman is invited to Penguin Kingdom's party. At the Penguin Kingdom, he falls in love with a girl named Arale who is a civilian. However, Princess Supa-ko falls in love with Obotchaman.
Senbei tells Arale that if she is a good girl then the Cats' Ears Stone Statue will appear and will start running around Penguin Village. Then that night, a mysterious light appears which shows up at Senbei's house.
Senbei notices there is a mysterious planet that is closer to Earth. The planet's name is "Comet Alley", which will displace all of Earth's air. Turbo suggests that Senbei should be getting to create a huge spaceship.
Midori goes to a culture school with Mrs. Tsun, and she notices her family is not that elegant. At least she tries to present her self as an elegant lady but Arale doesn't care. One day, Mrs. Tsun drops her earrings, and Arale picks them up.
Arale receives an invitation for a festival on Nikochan Planet. On the way to the Nikochan planet, their Space Ship's energy runs out. When they stop by at the energy stand, Komatta-chan saw them and decide to follow them.
While Arale and the Gatchans are playing, they find a Copy Machine in the basement. Arale makes a copy of herself with the Copy Machine. When Akane finds out about the Copy Machine, Akane decides to trick everyone with it.
Midori tells Senbei to go get a checkup. When he goes to the hospital to get a checkup, the doctor tells him that he has to quit smoking otherwise he will have lung cancer. So he decides to invent a No-Smoking-Man robot to help him quit smoking.
Akane and Tsukutsun get into a fight for a stupid reason. So Arale decides to bring Akane to Senbei's place to ask him to invent the machine that will help them make up. However, Senbei and Midori also get into a fight.
Suppaman is starving because he doesn't have money to eat. Even though he transforms into Suppaman, he doesn't have money to buy a plum so he doesn't have enough energy to save people. Finally, he becomes hospitalized by starvation.
Akane bumps into a tree and she loses her memory. Senbei and Turbo try to invent something to restore her memory back, but they cannot invent anything. When Tsukutsun praying to god about Akane, god shows up in front of him.
When Senbei wakes up, he realizes that Mr. Thunder is in his kitchen. It seems like he brought Mr. Thunder to his home for Midori's birthday gift. But when Senbei sees Mr. Thunder is helping Midori, he thinks Mr. Thunder is flirting with her.
Peasuke's favorite wrestler, Masked Melon comes to Penguin Village. Since he is a superstar, everyone in the village talks about him. Melon will fight with Heyheyho who is 20 meters tall. Is Melon going to be a winner of the match?
While Senbei is shopping for dinner, he finds a café called the "No Pan Cafe". So, he goes into the café to see the waitress's "No Pan", but her skirt's length is too long so he cannot see it. And later, Tsuruten comes into the café too.
Arale is going to attend to Big City Island High School for one day. Senbei worries about Arale's superpowers so he invents a "Low Power Belt" to lower her power. Once she arrives at Big City Island High school, she sits next to a bully, Daisuke.
Bokuchin gets bored with his own toy, so he decides to go to Penguin Village's toy store to find new toys, but he can't find any toy that he likes. Once he sees Arale, he starts wanting to make Arale his toy.
Senbei starts to cook for dinner because Midori gets burned. But he realizes that he cannot cook, so he invents a Cooker Machine which will cook food perfectly. However, Arale, Akane, and the Gatchans accidentally go into the Cooker Machine.
An amusement park just opened at White Rhinoceros Village. Once Arale hears they have an exciting roller coaster, she and Midori start asking Senbei to take them to the Amusement Park. But, he doesn't want to go.
Senbei notices that Midori and Turbo aren't getting enough sleep because of his heavy snoring. So he invents a robot which will dampen the sound. After the robot eats Senbei's snoring, Midori and Turbo are able to sleep peacefully.
While Arale and her friends are playing, they find a fossil house in the hole. When Senbei starts research on the fossil house, and he finds a letter which is written in ancient characters. Turbo reads the words with his magical powers, and he finds out it is writing about an old secret of Earth.
Senbei finds out about the secret of Earth. And, Obotchaman, who has been re-created by Mashirito, starts attacking Senbei. While Arale tries to save Senbei from Obotchaman, Mashirito takes a key from a museum.
Senbei decides to tell everyone that Arale is a robot. One night, while Senbei is at a hostess club, a cockroach appears in Senbei's house, so Arale attacks the cockroach with her N'cha Shot, then her energy runs out and she stops.
While Arale and her friends are having a Christmas party, Mr. Kuriatama Santa Claus falls down from the sky. Since Kuriatama Santa is injured, Arale and her friends have to deliver all the gifts for him.
Arale and her friends see a space ship "San Shi Go" crashes into Water Strider Island. Seems like Tsukutsun's friend, Chin Tiku Lin, is on the spaceship, so they decide to go to Water Strider Island to rescue Chin Tiku Lin.
Toriyama, the writer of Dr. Slump, chooses Senbei to be the next main character. Once Senbei hears this, he gets so excited but Toriyama asks him to invent the machine that will erase all the other characters. So, Senbei invents the machine.
Obotchaman oversleeps the day of his date with Arale. Once he gets to the meeting place, Arale is not there. He tries to look for Arale all over the village but he can't find her! Finally, he finds her but she is holding hands with another guy.
Bargain sale will be held at the Police Station. Senbei hears that his spy camera which he invented a long time ago to spy on Midori, will be at the sale. So, he decides to sneak into the police station to erase the camera's memory.