1x1 - I Am Sergeant Keroro! / Sergeant Keroro Rising

April 3, 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!

1x2 - Momoka & Tamama Move Out! / Momoka & Tamama: Operation Overload the Hinatas

April 10, 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.

1x3 - Keroro's Critical Point Breached! / Keroro's Secret Mission Begins

April 17, 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.

1x4 - Giroro: The Most Dangerous Man in the Universe / Keroro: Rain with a Slight Chance of a Dangerous Man

April 24, 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.

1x6 - Momoka's Romantic Plan on the South Seas / Momoka's Spooky Plan on the South Seas

May 8, 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...

1x7 - Mois: My First Destruction of Earth / Tamama vs. Mois: Tamama Loses

May 15, 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.

1x8 - Keroro: Invasion Status is Never Better / Keroro: Building a Base for Dummies

May 22, 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.

1x9 - Natsumi: Where Love Blooms, Kululu Looms / Hinata Aki: A Dynamite Woman

May 29, 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."

1x10 - Face-off! Decisive Battle Over Molar-3

June 5, 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!

1x11 - The Keroro Platoon Appears on TV

June 12, 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...

1x12 - Sumomo: A Pop Star Travels Across Space / Giroro: A Small Angel on the Battlefield

June 19, 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...

1x13 - Dororo: The Forgotten Warrior / Dororo & Koyuki: Friendship, How Beautiful It Is

June 26, 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.

1x14 - The Five Assemble! Probably The Longest Day

July 3, 2004

The newly reunited Keroro Platoon embark on their first mission as a full team, and it's, uh... filling the town with flowers?!

1x15 - Momoka: The Dark Momoka Descends / Dark Momoka: The Lie Behind the Lie

July 10, 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.

1x16 - Mois: Dark Mois Descends / Mois: More and Mois Mayhem

July 17, 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?

1x17 - Keroro vs. Natsumi: The Great Battle in the Water / Fuyuki: Welcome to Horror World

July 24, 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.

1x18 - Natsumi: Hilarity! Adult Beachside Story

July 31, 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.

1x19 - Keroro vs. Natsumi: The Ultimate Showdown at a Festival / Keroro: A Radio to Invade Your Ears

August 7, 2004

Keroro tries to make a quick buck at the festival. / Keroro tries to make a quick buck by starting a new radio show.

1x20 - Fuyuki Meets a Girl / Fuyuki: The Ambassador of Nontolma

August 14, 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.

1x21 - Keroro's Energy-Saving Invasion / Keroro's Countryside Exploration

August 21, 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.

1x22 - Tamama: I'll be the Leader from Now On

August 28, 2004

A message from Keron HQ: Tamama is the new platoon leader! And boy, are there gonna be some changes around here...

1x23 - Panic! The Hinata Household's Wildest Day Ever

September 4, 2004

Keroro steals the Kero Ball and accidentally makes hundreds of clones of himself. Chaos ensues.

1x24 - Keroro: The Noble but Poor Space Detectives / 556: How to Become an Action Star

September 11, 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.

1x25 - Momoka: Love, Youth and a Hectic Getaway

September 18, 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.

1x26 - Keroro: Everyone Unite! Let's Conquer Sports Day

September 25, 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.

1x27 - Keroro's Father's Coming and Father's Leaving / Keroro: Hot Spring, Go! Go! Go! Sir!

October 2, 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.

1x28 - Keroro: Snowball Fight Survival / Kululu's Kukuku & Ku

October 9, 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?

1x29 - Natsumi & Koyuki's Youthful Energy on Stage / Keroro: The Scoop is No Good

October 16, 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.

1x30 - Tamama: The Boy Who Came From Planet Keron / Momoka Wants a Nice Body

October 23, 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."

1x31 - Keroro Can't Find the Way Home

October 30, 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?

1x32 - Keroro: A Whole Bunch of Animal Soldiers / Giroro: The Cat Wants to Speak

November 6, 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...?

1x33 - The Keroro Platoon Invades Pekopon with Anime

November 13, 2004

The Keroro platoon wants to make their own anime the "easy way". Of course, there's no such thing...

1x34 - Momoka vs. Koyuki: Battle for Hot Springs / Keroro & Fuyuki: Let's Take It Easy

November 20, 2004

1x35 - Top Secret! Natsumi's Surprise Birthday Party

November 27, 2004

1x36 - Keroro's Desperate Struggle! Sergeant vs. General Winter / Fuyuki: Nishizawa-san's Oustranding Coincidence

December 4, 2004

1x37 - Dororo: Come to My Ninja School / Keroro's Dinosaur

December 11, 2004

1x38 - Giroro: The Mobile Soldier in Love / Giroro vs. Natsumi: The Encounter

December 18, 2004

1x39 - Keroro: Operation Christmas / Keroro: Taking Charge of Year-end Housecleaning

December 25, 2004

1x40 - Mois: Or, Like, Happy New Year, Sir? / Keroro: New Year's Food is Also Good, but Don't Forget Your Homework

January 8, 2005

1x41 - Keroro: The Glory of Sugoroku / Dororo's Blood is Really Boiling

January 15, 2005

1x42 - Keroro: The Red-blooded Keroro Platoon / Tamama: The Friendship Jealousy Shot

January 22, 2005

1x43 - Giroro: No Tears for the Red Oni / Giroro: Let Setsubun Fly

January 29, 2005

1x44 - Keroro vs. Fuyuki: A Sports Showdown / Kululu vs. Aki: A Devastating Assault Robot Battle

February 5, 2005

1x45 - Keroro's Instant Dumplings of Love / Natsumi & Momoka: Commence Operation V for Valentine

February 12, 2005

1x46 - Keroro: Have You Been Forgotten, Sir?

February 19, 2005

1x47 - Natsumi: Preserve Girls' Day / Keroro: It's an Afro, Myoww

February 26, 2005

1x48 - Keroro Platoon: Mission on a Fine Spring Day / Fuyuki: Resident Idle Rescue Mission

March 5, 2005

1x49 - Kululu: How to Succeed in the Universe / Momoka: W(hite)-Day:Operation Pinnacle

March 12, 2005

1x50 - Natsumi: The Fiery Warrior of Earth / Giroro: If I Don't Do It, Who Will?

March 19, 2005

1x51 - The Keroro Platoon Retreats! Farewell, Pekopon

March 26, 2005