Alien frogs come to take over the planet & get into all kinds of trouble while living under the roof of a small family.
2004-04-03 - 2011-03-18
| Title | Name |
|---|---|
| Season 1, Episode 1 | I Am Sergeant Keroro! / Sergeant Keroro Rising |
| Season 1, Episode 2 | Momoka & Tamama Move Out! / Momoka & Tamama: Operation Overload the Hinatas |
| Season 1, Episode 3 | Keroro's Critical Point Breached! / Keroro's Secret Mission Begins |
| Season 1, Episode 4 | Giroro: The Most Dangerous Man in the Universe / Keroro: Rain with a Slight Chance of a Dangerous Man |
| Season 1, Episode 5 | The Song of Men Who Love Their Toys |
| Season 1, Episode 6 | Momoka's Romantic Plan on the South Seas / Momoka's Spooky Plan on the South Seas |
| Season 1, Episode 7 | Mois: My First Destruction of Earth / Tamama vs. Mois: Tamama Loses |
| Season 1, Episode 8 | Keroro: Invasion Status is Never Better / Keroro: Building a Base for Dummies |
| Season 1, Episode 9 | Natsumi: Where Love Blooms, Kululu Looms / Hinata Aki: A Dynamite Woman |
| Season 1, Episode 10 | Face-off! Decisive Battle Over Molar-3 |
| Season 1, Episode 11 | The Keroro Platoon Appears on TV |
| Season 1, Episode 12 | Sumomo: A Pop Star Travels Across Space / Giroro: A Small Angel on the Battlefield |
| Season 1, Episode 13 | Dororo: The Forgotten Warrior / Dororo & Koyuki: Friendship, How Beautiful It Is |
| Season 1, Episode 14 | The Five Assemble! Probably The Longest Day |
| Season 1, Episode 15 | Momoka: The Dark Momoka Descends / Dark Momoka: The Lie Behind the Lie |
| Season 1, Episode 16 | Mois: Dark Mois Descends / Mois: More and Mois Mayhem |
| Season 1, Episode 17 | Keroro vs. Natsumi: The Great Battle in the Water / Fuyuki: Welcome to Horror World |
| Season 1, Episode 18 | Natsumi: Hilarity! Adult Beachside Story |
| Season 1, Episode 19 | Keroro vs. Natsumi: The Ultimate Showdown at a Festival / Keroro: A Radio to Invade Your Ears |
| Season 1, Episode 20 | Fuyuki Meets a Girl / Fuyuki: The Ambassador of Nontolma |
| Season 1, Episode 21 | Keroro's Energy-Saving Invasion / Keroro's Countryside Exploration |
| Season 1, Episode 22 | Tamama: I'll be the Leader from Now On |
| Season 1, Episode 23 | Panic! The Hinata Household's Wildest Day Ever |
| Season 1, Episode 24 | Keroro: The Noble but Poor Space Detectives / 556: How to Become an Action Star |
| Season 1, Episode 25 | Momoka: Love, Youth and a Hectic Getaway |
| Season 1, Episode 26 | Keroro: Everyone Unite! Let's Conquer Sports Day |
| Season 1, Episode 27 | Keroro's Father's Coming and Father's Leaving / Keroro: Hot Spring, Go! Go! Go! Sir! |
| Season 1, Episode 28 | Keroro: Snowball Fight Survival / Kululu's Kukuku & Ku |
| Season 1, Episode 29 | Natsumi & Koyuki's Youthful Energy on Stage / Keroro: The Scoop is No Good |
| Season 1, Episode 30 | Tamama: The Boy Who Came From Planet Keron / Momoka Wants a Nice Body |
| Season 1, Episode 31 | Keroro Can't Find the Way Home |
| Season 1, Episode 32 | Keroro: A Whole Bunch of Animal Soldiers / Giroro: The Cat Wants to Speak |
| Season 1, Episode 33 | The Keroro Platoon Invades Pekopon with Anime |
| Season 1, Episode 34 | Momoka vs. Koyuki: Battle for Hot Springs / Keroro & Fuyuki: Let's Take It Easy |
| Season 1, Episode 35 | Top Secret! Natsumi's Surprise Birthday Party |
| Season 1, Episode 36 | Keroro's Desperate Struggle! Sergeant vs. General Winter / Fuyuki: Nishizawa-san's Oustranding Coincidence |
| Season 1, Episode 37 | Dororo: Come to My Ninja School / Keroro's Dinosaur |
| Season 1, Episode 38 | Giroro: The Mobile Soldier in Love / Giroro vs. Natsumi: The Encounter |
| Season 1, Episode 39 | Keroro: Operation Christmas / Keroro: Taking Charge of Year-end Housecleaning |
| Season 1, Episode 40 | Mois: Or, Like, Happy New Year, Sir? / Keroro: New Year's Food is Also Good, but Don't Forget Your Homework |
| Season 1, Episode 41 | Keroro: The Glory of Sugoroku / Dororo's Blood is Really Boiling |
| Season 1, Episode 42 | Keroro: The Red-blooded Keroro Platoon / Tamama: The Friendship Jealousy Shot |
| Season 1, Episode 43 | Giroro: No Tears for the Red Oni / Giroro: Let Setsubun Fly |
| Season 1, Episode 44 | Keroro vs. Fuyuki: A Sports Showdown / Kululu vs. Aki: A Devastating Assault Robot Battle |
| Season 1, Episode 45 | Keroro's Instant Dumplings of Love / Natsumi & Momoka: Commence Operation V for Valentine |
| Season 1, Episode 46 | Keroro: Have You Been Forgotten, Sir? |
| Season 1, Episode 47 | Natsumi: Preserve Girls' Day / Keroro: It's an Afro, Myoww |
| Season 1, Episode 48 | Keroro Platoon: Mission on a Fine Spring Day / Fuyuki: Resident Idle Rescue Mission |
| Season 1, Episode 49 | Kululu: How to Succeed in the Universe / Momoka: W(hite)-Day:Operation Pinnacle |
| Season 1, Episode 50 | Natsumi: The Fiery Warrior of Earth / Giroro: If I Don't Do It, Who Will? |
| Season 1, Episode 51 | The Keroro Platoon Retreats! Farewell, Pekopon |