Sgt. Frog Season 6 Episode 300 Onono: The Phantom Keron Soldier, Sir!
- July 22, 2021
- 23 min
A Keronian from many generations ago wakes up from a long hibernation in his spaceship after crash-landing on Earth. He's disgusted with the Keroro Platoon for not having invaded yet, but he has a secret weapon in his possession that might make a difference. It might be more dangerous than he realizes, though!
