Chibi Keroro Versus Chibi Fuyuki, Sir!

Chibi Keroro Versus Chibi Fuyuki, Sir!

Available on Prime Video, Crunchyroll
S6 E14: 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.