Sgt. Frog Season 5 Episode 217 Chibi Kero: The Forbidden Game, Sir! / Keroro: The Terrifying Invaders, Sir!

Back in their childhood, Zororo gets a copy robot as a gift from his parents. Naturally, Keroro decides to abuse it. Returning to the present, a fire scare at the base prompts Keroro to take a fire safety class. But he gets sold the wrong textbooks, and gets the runaround when he tries to return them!