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The Mendō Family... Masquerade War (面堂家。。。仮面ぶとう会, Mendō Ke... Kamen Butōkai) is the 61st episode of Urusei Yatsura.


Ryoko invites Ataru over for a masquerade and her brother is not willing to let him receive a kiss from her. Rather than a Masquerade 'Ball', it’s a Masquerade 'Battle'.

Plot Overview



  • This is the first episode in which tracks from the first movie get in use.
  • The fighters wear masks of Western and Eastern Characters such as E.T, Aliens, Darth Vader, Mazinger...
  • Among the fighters can be seen Wendy wearing a mask, and someone wearing a mask of Elle de Rosenbach.

Differences from the Manga

  • Only the beginning of Chapter 123 with the Kuroko coming into the Moroboshi home and performing a marionette play which serves as an invitation to Ataru is adapted in this episode, the rest is adapted in Episode 124.
  • In the manga version of the Masquerade War story:
    • Torajima doesn't obey Ten at all and uses a cigarette to blow Ataru's balloon up.
    • Cherry doesn't appear.
    • Many scenes are Anime original such as:
      • Mendō inspecting the troops and his commercial (It cuts from Ryōko scaring her brother to Lum, Ataru and Ten arriving at the ball).
      • Ataru facing an army, changing into a Bruce Lee Jump Suit and encountering a Reaper (After escaping from Onsen-Mark being attacked by 4 students and running away from Lum, he encounters and mallets a few random fighters then it cuts directly to Mendō being brought on a stretcher to Ryōko).