Rapidawarus

Rapidawarus is the second episode of the second season. This episode is the only episode where Mumu is the protagonist.

Plot
Mumu found a letter from Rapidasaurus saying, "Dear MuMu, since you always beat me, I'm challenging you to a war!" and he accepts.

Mumu doesn't feel like he wants to participate, even if he is. Then Rapidasaurus doesn't come to Mumu because he is landing. He asks if Mumu's ready to fight. Mumu says that he invited him because he was beaten because he was his rival. They both begin, and Rapidasaurus punches him, but he never gets hurt. He suddenly turns big and eats Rapidasaurus, making him the winner.

Trivia

 * This is the only episode where Danny is absent.
 * The episode reveals Rapidasaurus to be MuMu's rival.