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Rei's Return! Crisis in the Classroom! (レイ復活!自習大騒動!!, Rei Fukkatsu! Jishū Dai Sōdō!!) is the 36th episode of Urusei Yatsura.


Rei is summoned by Ten to Tomobiki High School and causes an uproar in Class 2-4 by eating everyone's lunch, much to Ran’s surprise.

Plot Overview



  • First Appearance of Onsen-Mark who was Class 2-4's teacher from the very beginning in the manga.
  • Near the end before Rei departs from the class, some students can be seen with the appearances of Rumiko Takahashi and the characters of Wasted Minds (Dust Spot in Japanese).

Differences from the Manga

  • Despite being his first appearance in the anime, Onsen-Mark himself wasn’t in the original manga version of the episode.
    • What is also not included is the bet, some scenes with Shinobu and the Beefbowl.
  • The manga story covers Rei’s rampage and leads up to the Rei/Ran/Cherry sequence.