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 257-307 Natsumi: Stop My Hiccups, Sir! / Kero Zero: Waiting on the Training Planet, Sir! - Watch on Crunchyroll

Sgt. Frog 52-103 Keroro: Huh? Who Am I? Who Are You? Sir! - Watch on Crunchyroll

Giroro, Heroes Wiki

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

Sgt. Frog 52-103 Keroro: If You're Going to Suck, Suck Away! Just Kidding, Please Don't, Sir! / Dororo Escapes His Trauma, Sir! - Watch on Crunchyroll

Sgt. Frog 104-154 Chiruyo: Check on White Day, Sir! / Fuyuki: Additional Fees May Apply, 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 52-103 Natsumi: Giroro Falls? The Do-Or-Die Rescue Operation, Sir! - Watch on Crunchyroll

Sgt. Frog 257-307 Natsumi: Stop My Hiccups, Sir! / Kero Zero: Waiting on the Training Planet, Sir! - Watch on Crunchyroll

Sgt. Frog 1-51 Giroro: The Most Dangerous Man in the Universe, Sir! / Keroro: Rain with a Slight Chance of a Dangerous Man, Sir! - Watch on Crunchyroll

Sgt. Frog 52-103 Fuyuki & Momoka's Secret Mystery Date, Sir! / Keroro: Come On, Let's Make a Video Game, Sir! - Watch on Crunchyroll

Sgt. Frog 257-307 Keroro: Revision of Episode One, Sir! / Keroro Platoon War Chronicle: New Episode Number One, Sir! - Watch on Crunchyroll

Sgt. Frog 155-205 Keroro Stands For Election, Sir! / Natsumi & Giroro: The Two Who Couldn't Return, 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