Ep. 86: Outraged! Piteous Kid Shutaro!!
Aired on October 12, 1983

Ataru, Lum, Shinobu, Mendo, and Ryunosuke travel back in time to when Mendou was an obnoxious, violent kid. Their mission is to cure him of both his nyctophobia and claustrophobia. The group interacts with the younger version of Mendo to address these specific fears. This journey focuses on the character's past behavior and the psychological issues he faced during his childhood. The time travel element allows the characters to witness and influence Mendou's development directly. The narrative centers on resolving these phobias through their intervention in his early life.
Episodes
- Ep. 82 · Ten's Core technology animates three Sakura sand dolls while Lum dates another man to provoke Ataru
- Ep. 83 · Ten trains with Cherry and Lum to defeat Ataru after recent losses
- Ep. 84 · Tororo Yam Filling Attacks Mendo's Family Lodge in Matango Spoof
- Ep. 85 · Lum, Ran, Benten, and Oyuki discover former teacher CAO-2 has returned to Earth
- Ep. 86 · Outraged! Piteous Kid Shutaro!!
- Ep. 87 · Tomobiki High Students Become Eccentric After Eating Matsutake Mushrooms from Cherry
- Ep. 88 · Ataru delays apologizing to Lum after burning her handmade scarf for him
- Ep. 89 · Ataru stays home with Lum while his parents travel to Atami for the night.
- Ep. 90 · Onsen-Mark tasked with transforming Ryuunosuke into a woman