Sgt. Frog 52-103 Giroro: Bright Red, Gritty Days, Sir!\NKoyuki Fights to Protect the Person Who's Important to Her, Sir! - Watch on Crunchyroll

Sgt. Frog 308-358 Keroro vs. Giroro: Battle in the Icy Rain, Sir! / Keroro Platoon: The Great Forget-the-Year Party, Sir! - Watch on Crunchyroll

Sgt. Frog 52-103 Keroro: Celebrate! Happy Birthday, Sir! / Mois in Wonderland, Sir! - Watch on Crunchyroll

Sgt. Frog 1-51 Keroro's Energy-Saving Invasion, Sir! / Keroro's Countryside Exploration, Sir! - Watch on Crunchyroll

Giroro, Keroro Wiki

Sgt. Frog 257-307 Keroro: The Admiral's Assault, Sir! / Giroro: Leave the Zipper There, Sir! - Watch on Crunchyroll

Sgt. Frog 52-103 Fuyuki: 198X — Our Summer Break, Sir! - Watch on Crunchyroll

Sgt. Frog 104-154 Giroro: Time to Set Out, Sir! - Watch on Crunchyroll

Sgt. Frog 155-205 Giroro: March 3rd is Ear Day, Sir? / Keroro's, No, the Women's Battle, Sir! - Watch on Crunchyroll

Sgt. Frog 155-205 Nuii: Don't Throw Me Away, Sir! - Watch on Crunchyroll

Sgt. Frog 52-103 Fuyuki Won't Give Up On Sports Day, Sir! / Giroro: The Cat Knows, Sir! - Watch on Crunchyroll

Sgt. Frog 52-103 Keroro: Froggy Races, Sir! / Mois: Sleeping Beauty,Or, Like, Slumber Desired, Sir? - Watch on Crunchyroll