Collision! Comet Army (激突！アレーすい星 Gekitotsu! are sui hoshi) is the 206th episode of Dr. Slump Arale-chan.
Synopsis[]
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 get to create a huge spaceship!