第 1 季 共 51 集
播出时间：2004年4月4日
第 1 集 I Am Sergeant Keroro! / Sergeant Keroro Rising
播出时间：2004年4月4日
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!
第 2 集 Momoka & Tamama Move Out! / Momoka & Tamama: Operation Overload the Hinatas
播出时间：2004年4月11日
Momoka has a major thing for Fuyuki. She also has something in her backpack with a cola addiction and an out-of-this-world farting problem.
第 3 集 Keroro's Critical Point Breached! / Keroro's Secret Mission Begins
播出时间：2004年4月18日
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.
第 4 集 Giroro: The Most Dangerous Man in the Universe / Keroro: Rain with a Slight Chance of a Dangerous Man
播出时间：2004年4月25日
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.
第 5 集 The Song of Men Who Love Their Toys
播出时间：2004年5月2日
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.
第 6 集 Momoka's Romantic Plan on the South Seas / Momoka's Spooky Plan on the South Seas
播出时间：2004年5月9日
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...
第 7 集 Mois: My First Destruction of Earth / Tamama vs. Mois: Tamama Loses
播出时间：2004年5月16日
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.
第 8 集 Keroro: Invasion Status is Never Better / Keroro: Building a Base for Dummies
播出时间：2004年5月23日
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.
第 9 集 Natsumi: Where Love Blooms, Kululu Looms / Hinata Aki: A Dynamite Woman
播出时间：2004年5月30日
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."
第 10 集 Face-off! Decisive Battle Over Molar-3
播出时间：2004年6月6日
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!
第 11 集 The Keroro Platoon Appears on TV
播出时间：2004年6月13日
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...
第 12 集 Sumomo: A Pop Star Travels Across Space / Giroro: A Small Angel on the Battlefield
播出时间：2004年6月20日
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...
第 13 集 Dororo: The Forgotten Warrior / Dororo & Koyuki: Friendship, How Beautiful It Is
播出时间：2004年6月27日
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.
第 14 集 The Five Assemble! Probably The Longest Day
播出时间：2004年7月4日
The newly reunited Keroro Platoon embark on their first mission as a full team, and it's, uh... filling the town with flowers?!
第 15 集 Momoka: The Dark Momoka Descends / Dark Momoka: The Lie Behind the Lie
播出时间：2004年7月11日
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.
第 16 集 Mois: Dark Mois Descends / Mois: More and Mois Mayhem
播出时间：2004年7月18日
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?
第 17 集 Keroro vs. Natsumi: The Great Battle in the Water / Fuyuki: Welcome to Horror World
播出时间：2004年7月25日
The platoon heads to the local swimming pool for some good old-fashioned high jinks. / Keroro organizes a ghost story competition - Aliens vs Pekoponians.
第 18 集 Natsumi: Hilarity! Adult Beachside Story
播出时间：2004年8月1日
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.
第 19 集 Keroro vs. Natsumi: The Ultimate Showdown at a Festival / Keroro: A Radio to Invade Your Ears
播出时间：2004年8月8日
Keroro tries to make a quick buck at the festival. / Keroro tries to make a quick buck by starting a new radio show.
第 20 集 Fuyuki Meets a Girl / Fuyuki: The Ambassador of Nontolma
播出时间：2004年8月15日
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.
第 21 集 Keroro's Energy-Saving Invasion / Keroro's Countryside Exploration
播出时间：2004年8月22日
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.
第 22 集 Tamama: I'll be the Leader from Now On
播出时间：2004年8月29日
A message from Keron HQ: Tamama is the new platoon leader! And boy, are there gonna be some changes around here...
第 23 集 Panic! The Hinata Household's Wildest Day Ever
播出时间：2004年9月5日
Keroro steals the Kero Ball and accidentally makes hundreds of clones of himself. Chaos ensues.
第 24 集 Keroro: The Noble but Poor Space Detectives / 556: How to Become an Action Star
播出时间：2004年9月12日
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.
第 25 集 Momoka: Love, Youth and a Hectic Getaway
播出时间：2004年9月19日
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.
第 26 集 Keroro: Everyone Unite! Let's Conquer Sports Day
播出时间：2004年9月26日
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.
第 27 集 Keroro's Father's Coming and Father's Leaving / Keroro: Hot Spring, Go! Go! Go! Sir!
播出时间：2004年10月3日
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.
第 28 集 Keroro: Snowball Fight Survival / Kululu's Kukuku & Ku
播出时间：2004年10月10日
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?
第 29 集 Natsumi & Koyuki's Youthful Energy on Stage / Keroro: The Scoop is No Good
播出时间：2004年10月17日
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.
第 30 集 Tamama: The Boy Who Came From Planet Keron / Momoka Wants a Nice Body
播出时间：2004年10月24日
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."
第 31 集 Keroro Can't Find the Way Home
播出时间：2004年10月31日
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?
第 32 集 Keroro: A Whole Bunch of Animal Soldiers / Giroro: The Cat Wants to Speak
播出时间：2004年11月7日
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...?
第 33 集 The Keroro Platoon Invades Pekopon with Anime
播出时间：2004年11月14日
The Keroro platoon wants to make their own anime the "easy way". Of course, there's no such thing...
第 34 集 Momoka vs. Koyuki: Battle for Hot Springs / Keroro & Fuyuki: Let's Take It Easy
播出时间：2004年11月21日
第 35 集 Top Secret! Natsumi's Surprise Birthday Party
播出时间：2004年11月28日
第 36 集 Keroro's Desperate Struggle! Sergeant vs. General Winter / Fuyuki: Nishizawa-san's Oustranding Coincidence
播出时间：2004年12月5日
第 37 集 Dororo: Come to My Ninja School / Keroro's Dinosaur
播出时间：2004年12月12日
第 38 集 Giroro: The Mobile Soldier in Love / Giroro vs. Natsumi: The Encounter
播出时间：2004年12月19日
第 39 集 Keroro: Operation Christmas / Keroro: Taking Charge of Year-end Housecleaning
播出时间：2004年12月26日
第 40 集 Mois: Or, Like, Happy New Year, Sir? / Keroro: New Year's Food is Also Good, but Don't Forget Your Homework
播出时间：2005年1月9日
第 41 集 Keroro: The Glory of Sugoroku / Dororo's Blood is Really Boiling
播出时间：2005年1月16日
第 42 集 Keroro: The Red-blooded Keroro Platoon / Tamama: The Friendship Jealousy Shot
播出时间：2005年1月23日
第 43 集 Giroro: No Tears for the Red Oni / Giroro: Let Setsubun Fly
播出时间：2005年1月30日
第 44 集 Keroro vs. Fuyuki: A Sports Showdown / Kululu vs. Aki: A Devastating Assault Robot Battle
播出时间：2005年2月6日
第 45 集 Keroro's Instant Dumplings of Love / Natsumi & Momoka: Commence Operation V for Valentine
播出时间：2005年2月13日
第 46 集 Keroro: Have You Been Forgotten, Sir?
播出时间：2005年2月20日
第 47 集 Natsumi: Preserve Girls' Day / Keroro: It's an Afro, Myoww
播出时间：2005年2月27日
第 48 集 Keroro Platoon: Mission on a Fine Spring Day / Fuyuki: Resident Idle Rescue Mission
播出时间：2005年3月6日
第 49 集 Kululu: How to Succeed in the Universe / Momoka: W(hite)-Day:Operation Pinnacle
播出时间：2005年3月13日
第 50 集 Natsumi: The Fiery Warrior of Earth / Giroro: If I Don't Do It, Who Will?
播出时间：2005年3月20日
第 51 集 The Keroro Platoon Retreats! Farewell, Pekopon
播出时间：2005年3月27日
