It is a big day for Senbei Norimaki, it is his first date with Midori Yamabuki and they will go on a trip to space together using Senbei's spaceship. Midori arrives in an outfit similar to that female heroines in science fiction movies. Arale Norimaki and Gatchan want to come with them, and Senbei is obliged to accept as Midori agreed.
Senbei shows his spaceship, which looks like a car with feet, to Midori and they take off to space with the kids.
- Senbei explaining to Arale that a date is when two person hold each other's hand and walk together is remembered by her in "A Bittersweet Ho-yo-yo Date Special!", and it is used for a joke.
|Dr. Slump vol. 4 chapters|
|Bye-Bye Super Power! · The Lovely Trio · Penguin Village S.O.S.: Part 1 · Penguin Village S.O.S.: Part 2 · Gatchan Goes for a Walk · Yay Yay Wildland · The Happy Doctor · Zippity-Doo Doctor · The Dumbfounded Doctor · A Bittersweet Ho-yo-yo Date Special! · Parzan, King of the Jungle! · Sad, Sad Santa · Kick the Can|