Season 1

01 I Am Sergeant Keroro! / Sergeant Keroro Rising Episode 13rd April 2004 The Hinata family has a new member - a frog from outer space! Keroro’s invasion of Earth doesn’t go exactly as planned, and he ends up running a vacuum instead of ruling the planet. But hey, at least he gets his own room! 02 Momoka & Tamama Move Out! / Momoka & Tamama: Operation Overload the Hinatas Episode 210th April 2004 Keroro searches for his lost platoon members. Meanwhile, Momoka has a major thing for Fuyuki. She also has something in her backpack with a cola addiction and an out-of-this-world problem. 03 Keroro's Critical Point Breached! / Keroro's Secret Mission Begins Episode 317th April 2004 Keroro is tired of being stuck inside all day and eventually finds a way to wander around Tokyo without being seen. The Hinatas believe he is up to no good and set up secret cameras around the house. 04 Giroro: The Most Dangerous Man in the Universe / Keroro: Rain with a Slight Chance of a Dangerous Man Episode 424th April 2004 Giroro, the weapons expert of the Keroro Platoon, has finally tracked down Tamama and Keroro. To say he is displeased about Keroro's recent leadership would be quite the understatement. He plans to whip Keroro back into shape and move forward with the Pekopon invasion. 05 The Song of Men Who Love Their Toys Episode 51st May 2004 Keroro finds the perfect addition to his Gundam model collection and uses his new allowance to travel to the Trojan Horse toy store. He's devastated to find out that the store is about to go out of business and tries everything in his power to save it. 06 Momoka's Romantic Plan on the South Seas / Momoka's Spooky Plan on the South Seas Episode 68th May 2004 Momoka invites the Hinata family to a private beach for a little one-on-one time with Fuyuki. Unfortunately for her, the frogs are coming along, too. She comes up with increasingly-complex schemes to get her first kiss from the boy of her dreams... 07 Mois: My First Destruction of Earth / Tamama vs. Mois: Tamama Loses Episode 715th May 2004 The legendary Angelmois of Armageddon descends from the heavens... but she's five years late! And what's this? She seems to be really good friends with "Uncle" Keroro... leading Tamama on a jealous campaign to get rid of her. 08 Keroro: Invasion Status is Never Better / Keroro: Building a Base for Dummies Episode 822nd May 2004 The Keroro Platoon builds a secret base under the Hinata household to further their invasion plan against Pekopon. They're the ones who end up being invaded when unknown intruders discover the base. 09 Natsumi: Where Love Blooms, Kululu Looms / Hinata Aki: A Dynamite Woman Episode 929th May 2004 The Keroro Platoon search for another missing member - Kululu, the brains of the operation. But he's already causing havoc in the Hinata household when he invents a device that can revert adults to their "bittersweet youth." 10 Face-off! Decisive Battle Over Molar-3 Episode 105th June 2004 When Keroro gets a cavity, the entire platoon is up in arms! Tiny invaders have set up a secret base inside Keroro's molar tooth, and it's time to take the fight inside his mouth! 11 The Keroro Platoon Appears on TV Episode 1112th June 2004 Keroro gets word that celebrities from the universe's most popular reality show are visiting Pekopon! But you know what they say - never meet your heroes... 12 Sumomo: A Pop Star Travels Across Space / Giroro: A Small Angel on the Battlefield Episode 1219th June 2004 Sumomo, an intergalactic pop star, travels to Pekopon for a taste of normal life. / Giroro loses his signature belt, and with it, his confidence. But he's able to find respite from an unexpected place... 13 Dororo: The Forgotten Warrior / Dororo & Koyuki: Friendship, How Beautiful It Is Episode 1326th June 2004 The final member of the platoon has been found, no thanks to Keroro. But Dororo has cast aside his previous life - he'll protect Pekopon from alien invaders, even if that means making enemies of his former friends. 14 The Five Assemble! Probably The Longest Day Episode 143rd July 2004 The newly reunited Keroro Platoon embark on their first mission as a full team, and it's, uh... filling the town with flowers?! 15 Momoka: The Dark Momoka Descends / Dark Momoka: The Lie Behind the Lie Episode 1510th July 2004 There's two sides to Momoka: a normal side, and a dark side. But when a freak accident splits her into two, Dark Momoka isn't afraid to take charge. 16 Mois: Dark Mois Descends / Mois: More and Mois Mayhem Episode 1617th July 2004 Mois has been seen beating people up and stealing their wallets. Has she been living a dark secret life this entire time, or is something else to blame? 17 Keroro vs. Natsumi: The Great Battle in the Water / Fuyuki: Welcome to Horror World Episode 1724th July 2004 The platoon heads to the local swimming pool for some good old-fashioned high jinks. / Keroro organizes a ghost story competition - Aliens vs Pekoponians. 18 Natsumi: Hilarity! Adult Beachside Story Episode 1831st July 2004 Kululu turns Natsumi into an adult so everyone can go to the beach without parental supervision. Keroro tries to win a collector's Gundam model in a duo's comedy contest. 19 Keroro vs. Natsumi: The Ultimate Showdown at a Festival / Keroro: A Radio to Invade Your Ears Episode 197th August 2004 Keroro tries to make a quick buck at the festival. / Keroro tries to make a quick buck by starting a new radio show. 20 Fuyuki Meets a Girl / Fuyuki: The Ambassador of Nontolma Episode 2014th August 2004 The Keroro platoon conquers the bottom of the open in their brand-new submarine. The only problem is that the current residents of the ocean aren't too happy with that. 21 Keroro's Energy-Saving Invasion / Keroro's Countryside Exploration Episode 2121st August 2004 The Hinata family and the Keroro Platoon have to deal with a power failure in the heat of summer. / Keroro and Co. stow away on the Hinata's family visit, and must keep themselves hidden from Grandma. 22 Tamama: I'll be the Leader from Now On Episode 2228th August 2004 A message from Keron HQ: Tamama is the new platoon leader! And boy, are there gonna be some changes around here... 23 Panic! The Hinata Household's Wildest Day Ever Episode 234th September 2004 Keroro steals the Kero Ball and accidentally makes hundreds of clones of himself. Chaos ensues. 24 Keroro: The Noble but Poor Space Detectives / 556: How to Become an Action Star Episode 2411th September 2004 A childhood friend of Keroro's moves to Pekopon in order to follow his dreams of being a space detective. The platoon helps him find a job that fits his "unique" abilities. 25 Momoka: Love, Youth and a Hectic Getaway Episode 2518th September 2004 A family dispute between Momoka and her father causes an all-out war between the Keroro Platoon and the elite forces of the Nishizawa Corporation. 26 Keroro: Everyone Unite! Let's Conquer Sports Day Episode 2625th September 2004 The Keroro Platoon engages in a mission to delay the events at Sports Day for as long as possible, so that Aki Hinata can arrive in time for the three-legged race. 27 Keroro's Father's Coming and Father's Leaving / Keroro: Hot Spring, Go! Go! Go! Sir! Episode 272nd October 2004 Keroro's father arrives on Pekopon to check on the invasion progress, or lack thereof. / The platoon decides to drill underground, hoping to build a natural hot spring in their secret base. 28 Keroro: Snowball Fight Survival / Kululu's Kukuku & Ku Episode 289th October 2004 The platoon experiences snow for the first time... SNOWBALL FIGHT!! / Kululu gets on everyone's bad side with his evil-hearted pranks. Who can make him see reason? 29 Natsumi & Koyuki's Youthful Energy on Stage / Keroro: The Scoop is No Good Episode 2916th October 2004 Natsumi has a starring role in the school play, but she's a terrible actress. / Members of the school newspaper suspect that aliens live in the Hinata household and are prepared to get evidence by any means necessary. 30 Tamama: The Boy Who Came From Planet Keron / Momoka Wants a Nice Body Episode 3023rd October 2004 Tamama's friend comes to Pekopon to see if all the stories of the invasion are true. They're not. / Momoka will do anything to develop her body more... and Keroro takes the opportunity for a quick buck to sell her junky "fitness solutions." 31 Keroro Can't Find the Way Home Episode 3130th October 2004 Keroro runs away from home on his new flying saucer. But when it breaks down and he's stuck in the middle of nowhere, he realizes all too late what the Hinatas mean to him. How will he get home? 32 Keroro: A Whole Bunch of Animal Soldiers / Giroro: The Cat Wants to Speak Episode 326th November 2004 In an effort to gain more soldiers for the invasion, Keroro decides to turn all the animals at the zoo into humans. / Giroro has been feeling blue. The stray cat he took in seems to want to say something to him, but can't. But what if...? 33 The Keroro Platoon Invades Pekopon with Anime Episode 3313th November 2004 The Keroro platoon wants to make their own anime the "easy way". Of course, there's no such thing... 34 Momoka vs. Koyuki: Battle for Hot Springs / Keroro & Fuyuki: Let's Take It Easy Episode 3420th November 2004 35 Top Secret! Natsumi's Surprise Birthday Party Episode 3527th November 2004 36 Keroro's Desperate Struggle! Sergeant vs. General Winter / Fuyuki: Nishizawa-san's Oustranding Coincidence Episode 364th December 2004 37 Dororo: Come to My Ninja School / Keroro's Dinosaur Episode 3711th December 2004 38 Giroro: The Mobile Soldier in Love / Giroro vs. Natsumi: The Encounter Episode 3818th December 2004 39 Keroro: Operation Christmas / Keroro: Taking Charge of Year-end Housecleaning Episode 3925th December 2004 40 Mois: Or, Like, Happy New Year, Sir? / Keroro: New Year's Food is Also Good, but Don't Forget Your Homework Episode 408th January 2005 41 Keroro: The Glory of Sugoroku / Dororo's Blood is Really Boiling Episode 4115th January 2005 42 Keroro: The Red-blooded Keroro Platoon / Tamama: The Friendship Jealousy Shot Episode 4222nd January 2005 43 Giroro: No Tears for the Red Oni / Giroro: Let Setsubun Fly Episode 4329th January 2005 44 Keroro vs. Fuyuki: A Sports Showdown / Kululu vs. Aki: A Devastating Assault Robot Battle Episode 445th February 2005 45 Keroro's Instant Dumplings of Love / Natsumi & Momoka: Commence Operation V for Valentine Episode 4512th February 2005 46 Keroro: Have You Been Forgotten, Sir? Episode 4619th February 2005 47 Natsumi: Preserve Girls' Day / Keroro: It's an Afro, Myoww Episode 4726th February 2005 48 Keroro Platoon: Mission on a Fine Spring Day / Fuyuki: Resident Idle Rescue Mission Episode 485th March 2005 49 Kululu: How to Succeed in the Universe / Momoka: W(hite)-Day:Operation Pinnacle Episode 4912th March 2005 50 Natsumi: The Fiery Warrior of Earth / Giroro: If I Don't Do It, Who Will? Episode 5019th March 2005 51 The Keroro Platoon Retreats! Farewell, Pekopon Episode 5126th March 2005