Me and the Alien MuMu

MuMu, Sakurako and the Risk of Apocalypse (1x23)

Air date: Sep 11, 2025

Appearing before the Moomoos are the remains of the Brain, who once controlled the war - a clone of Doctor Octal, created as a way to spite the Moomoos. Meanwhile, Sakurako and Anamori are being held captive along with Samezu. How will they overcome this crisis?