Sgt. Frog

Watch Sgt. Frog

  • TV-Y7
  • 2004
  • 7 Seasons
  • 7.7  (771)

Sgt. Frog, also known as Keroro Gunsou, is a Japanese anime and manga series that aired from 2004 to 2011. The show's adaptation in North America was licensed by FUNimation and was dubbed with voice actors Todd Haberkorn, Cherami Leigh, Leah Clark, and others. The show follows the story of an alien frog named Sergeant Keroro, who is sent to conquer Earth by his home planet. However, upon landing on Earth, he is captured by a young boy named Fuyuki Hinata, who keeps him as a pet in his family's home. Keroro, who is accompanied by his platoon of alien invaders, soon realizes that he is not going to be able to conquer Earth easily.

Throughout the show, Keroro and his platoon try to carry out their plans to take over Earth, but always seem to come up short due to the interference of the Hinata family and their friends. The show contains a mix of comedy, action, and science fiction, as well as a strong focus on the importance of friendship and teamwork.

The main character, Sergeant Keroro, is an anthropomorphic frog with a sarcastic sense of humor. He is the leader of his platoon and is often seen devising plans to conquer Earth, but his schemes are usually foiled. Keroro is known for his obsession with building Gundam models and his love for curry.

Fuyuki Hinata, the boy who captures Keroro, is a shy and sensitive middle school student who is fascinated by the paranormal. He has a strong bond with Keroro and often helps him with his plans, but also works to protect Earth from the platoon's invasion attempts.

Fuyuki's older sister, Natsumi Hinata, is an athletic and hot-headed girl who is always ready for a fight. She often clashes with Keroro and his platoon, but also knows when to step in and help out.

The other members of Keroro's platoon include Private Tamama, who has a crush on Keroro and is the platoon's strategist, Private Giroro, who is the platoon's weapons specialist and has a crush on Natsumi, Corporal Dororo, who is the platoon's ninja and always wears a mask, and Sergeant Major Kululu, who is the platoon's technician and inventor.

Together, the Hinata family and the platoon go on a variety of adventures and face many challenges, including battling other alien invaders and uncovering secrets about Keroro's past.

The animation style of Sgt. Frog is bright and colorful, with exaggerated facial expressions and comedic sound effects. The show also features a catchy theme song and a variety of other upbeat music throughout each episode.

Overall, Sgt. Frog is a fun and lighthearted anime that is perfect for all ages. With its mix of comedy, action, and science fiction, it offers something for everyone. The show's focus on the importance of friendship and teamwork provides a positive message for viewers to take away from each episode. Whether you're a fan of anime or just looking for something new to watch, Sgt. Frog is definitely worth checking out.

Sgt. Frog is a series that ran for 7 seasons (377 episodes) between April 3, 2004 and on FUNimation

Sgt. Frog
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Seasons
Keroro: Nightmare on the Third Planet, Sir! /Late-night Sergeant Keroro, Sir!
308. Keroro: Nightmare on the Third Planet, Sir! /Late-night Sergeant Keroro, Sir!
July 22, 2021
Keroro has a nightmare about something interfering with the ultimate invasion. What could it be?
Giroro: The Invasion of Pekopon Begins, Sir! / Giroro & Natsumi: Operation Texting, Sir!
309. Giroro: The Invasion of Pekopon Begins, Sir! / Giroro & Natsumi: Operation Texting, Sir!
July 22, 2021
When Keroro hits on a new way to slack off, Giroro gets to take command of the invasion plans for a day. He orders an expensive, powerful weapon but isn't thrilled when it goes haywire and tries to vaporize Natsumi. Later, Giroro takes the lead in another strategy, sending phone texts to Natsumi and then leaving her in anxious suspense by suddenly cutting her off. Except it doesn't quite play...
Tamama: The Sweets Kingdom, Sir! / Momoka: Sorry to Impose on You, Sir!
310. Tamama: The Sweets Kingdom, Sir! / Momoka: Sorry to Impose on You, Sir!
July 22, 2021
Tamama's invasion plan is to turn everything in the world into sweets. But then it puts Momocchi in danger! Then the Nishizawa Group actually goes bankrupt, leaving Momoka to stay with Fuyuki for awhile.
Kululu: The Invasion Has Already Begun, Sir! / Keroro: Kero-Good Stories, Sir!
311. Kululu: The Invasion Has Already Begun, Sir! / Keroro: Kero-Good Stories, Sir!
July 22, 2021
The Keroro Platoon has the horrifying realization that it's Kululu's turn to come up with an invasion. They have to stop him, at all costs! And then Keroro comes up with the idea to ply Fuyuki with feel-good stories until he is moved to return the Kero Ball to them. The stories don't quite have the effect they anticipated.
Dororo: Invasion is My Calling, Sir! / Koyuki's Secret, Sir!
312. Dororo: Invasion is My Calling, Sir! / Koyuki's Secret, Sir!
July 22, 2021
Something strange has happened to Dororo: he seems to have turned back into the scary Assassin he used to be! Later, Koyuki seems to have a scary secret. Her friends all gather together to spy on her and figure out what it is!
Keroro: The Day After Completing the Invasion, Sir! / Aki Becomes an Invader, Sir!
313. Keroro: The Day After Completing the Invasion, Sir! / Aki Becomes an Invader, Sir!
July 22, 2021
Keroro's mother receives a letter from him that wildly exaggerates how close they are to finishing invading, so she shows up on Earth to "help." Then, on Mothers' Day, Aki decides to join the Keroro Platoon and become an invader for the day!
Keroro: The Naked Invader, Sir! / Natsumi & Saburo: Lunch Break Sky, Sir!
314. Keroro: The Naked Invader, Sir! / Natsumi & Saburo: Lunch Break Sky, Sir!
July 22, 2021
Keroro takes inspiration from "The Emperor's New Clothes" to create a gun that is invisible to idiots! Later, Natsumi and Saburo are the only members of the school's new Invasion Club, but why are Keroro and the platoon hunting them down during lunch period?
Keroro: Fun Gardening, Sir! / Fuyuki: Shadow Tag from the Past, Sir!
315. Keroro: Fun Gardening, Sir! / Fuyuki: Shadow Tag from the Past, Sir!
July 22, 2021
Havoc is wreaked when a parasitic space flower takes root on Keroro's head and starts spewing out Keroro clones. Later, Fuyuki has to capture his renegade shadow before he fades out of existence!
Momoka is the Sergeant, Sir? / Keroro: Operation Invaders From Outer Space, Sir!
316. Momoka is the Sergeant, Sir? / Keroro: Operation Invaders From Outer Space, Sir!
July 22, 2021
Summary is not available.
Keroro: The Search for Viper, Sir! / Giroro: Warrior in the Upper Closet, Sir!
317. Keroro: The Search for Viper, Sir! / Giroro: Warrior in the Upper Closet, Sir!
July 22, 2021
Viper (master of disguise) shows up on Earth, looking to attack Keroro! And so the platoon leader desperately tries to figure out which person in the Hinata household is him. After that, Giroro gets trapped in Natsumi's upper closet. How will he ever escape without getting noticed?!
Dororo: The Masked Man, Sir! / Mois: The Dark Visitor, Sir!
318. Dororo: The Masked Man, Sir! / Mois: The Dark Visitor, Sir!
July 22, 2021
Keroro and company do everything they can to get the masked Dororo to show his mouth, a sight they've never seen before. Later, Mois's pen pal from space visits her on Earth and intends to carry out an old promise to help her friend destroy the planet.
Mois: Genius Hacker, Sir? / Kululu: Small Antique Clock, Sir!
319. Mois: Genius Hacker, Sir? / Kululu: Small Antique Clock, Sir!
July 22, 2021
An alien virus jumps from Mois's laptop to the underground base's mainframe and then really wreaks havoc! Then a sentient antique clock from space arrives for Keroro. To help the kindly clock regain its memories, Kululu participates in a tense black market auction.
Natsumi: My Ideal Invader, Sir! / Pururu: June Bride, Sir?!
320. Natsumi: My Ideal Invader, Sir! / Pururu: June Bride, Sir?!
July 22, 2021
The frogs decide to try becoming super-hot humanoid men in order to tempt Natsumi to consent to their invading. It almost works. Later, Bariri shows up yet again in order to try to convince Pururu to marry him.
Keroro: Learn from the Past, Sir! / Natsumi: Kindness is a Sin, Sir!
321. Keroro: Learn from the Past, Sir! / Natsumi: Kindness is a Sin, Sir!
July 22, 2021
Summary is not available.
Giroro: Escape Impossible, Sir?! / Keroro: Rescue Impossible, Sir?!
322. Giroro: Escape Impossible, Sir?! / Keroro: Rescue Impossible, Sir?!
July 22, 2021
Giroro's test flight of a new spaceship has run into a terrible danger, and he's afraid he'll never make it back safely again. Worse, Natsumi's towel apparently slipped, and his video feed wasn't on to see it!
Keroro: Enter the Space Home Alone Boss, Sir! / Natsumi's Combat Cameraman Training, Sir!
323. Keroro: Enter the Space Home Alone Boss, Sir! / Natsumi's Combat Cameraman Training, Sir!
July 22, 2021
Summary is not available.
Natsumi: Do Not Push, Sir! / Keroro: Invader Level Check, Sir!
324. Natsumi: Do Not Push, Sir! / Keroro: Invader Level Check, Sir!
July 22, 2021
Natsumi finds herself plagued with a plethora of "Do Not Push" buttons. How long can she hold out before pushing one of them? Later, the Keroro Platoon enters the Kero Ball in order to rescue Natsumi and Fuyuki from a mind-boggling invader level check quiz.
Keroro: Version-Up Model, Sir! / Keroro: Putting on Makeup is Mine, Sir!
325. Keroro: Version-Up Model, Sir! / Keroro: Putting on Makeup is Mine, Sir!
July 22, 2021
The Keroro Platoon doesn't seem to be noticeable enough to the Hinatas -- so they paint themselves in crazy Gundam model colors in order to become more noticeable. Then Keroro has an invasion plan that involves turning human makeup crazy!
Chibi-Kero: The Fireworks That Summer, Sir! / Keroro: Swimsuit Beauty Contest, Sir!
326. Chibi-Kero: The Fireworks That Summer, Sir! / Keroro: Swimsuit Beauty Contest, Sir!
July 22, 2021
The platoon recalls a time back on Keron when they had to sneak Zeroro out of his house so they could all see fireworks together. Later, the Hinata siblings, the Keroro Platoon, and friends return once again to Hicksville Beach, where a new nighttime swimsuit beauty contest is going to be held, and Natsumi (with a temporary adult body) is yet again participating!
Keroro: Champion of Justice, Sir! / Keroro: Invasion in the Blink of an Eye, Sir!
327. Keroro: Champion of Justice, Sir! / Keroro: Invasion in the Blink of an Eye, Sir!
July 22, 2021
After Keroro is mistaken for a superhero, he lives up to the misconception, becoming the neighborhood do-gooder... until his heroism clashes with an invading flying tank that Keroro designed himself! Later, another invasion plan goes awry, trapping the Keroro Platoon in a state of frozen time.
Momoka: Be Frickin' Normal, Sir! / Paul's Day Off, Sir!
328. Momoka: Be Frickin' Normal, Sir! / Paul's Day Off, Sir!
July 22, 2021
Momoka decides to try to be normal... but she has no idea what that is! And then Paul takes a day off, and starts doing some really suspicious things.
Fuyuki: It's Bothering Me, Sir! / Natsumi: Beautiful, Wonderful, and Wide is the Sea, Sir!
329. Fuyuki: It's Bothering Me, Sir! / Natsumi: Beautiful, Wonderful, and Wide is the Sea, Sir!
July 22, 2021
Summary is not available.
556: The Worst Partner in All History, Sir! / Koyuki: My First Curry, Sir!
330. 556: The Worst Partner in All History, Sir! / Koyuki: My First Curry, Sir!
July 22, 2021
Natsumi asks Giroro to house-sit while she's out, but then he winds up having to house-sit with 556, the worst house-sitting partner ever! Later, Koyuki convinces Kululu to teach her how to make curry, to his horror.
Natsumi: One Week Without Getting Angry, Sir! / Keroro: Always Room for an Invasion, Sir?
331. Natsumi: One Week Without Getting Angry, Sir! / Keroro: Always Room for an Invasion, Sir?
July 22, 2021
Keroro hatches a plan to convert Natsumi's anger into energy for the invasion... or is it just an excuse for him to slack off? Then, a misunderstanding over the expression "dessert stomach" leads the platoon to take desperate measures to get their own version of this "secret weapon."
Fuyuki: Butterflyman Appears, Sir? / Giroro: The Uninvited Guest, Sir!
332. Fuyuki: Butterflyman Appears, Sir? / Giroro: The Uninvited Guest, Sir!
July 22, 2021
Fuyuki's excited when they find a Mothman-like creature in the forest. Then, an uninvited "guest" appears: a deserter from the Keron Army!
Momoka: The Feelings of a Starry Sky, Sir! / Keroro: Lucky Hair-chan, Sir!
333. Momoka: The Feelings of a Starry Sky, Sir! / Keroro: Lucky Hair-chan, Sir!
July 22, 2021
When Momoka invites Fuyuki to an abandoned planetarium, he becomes possessed by the spirit of an old projector! Then, Keroro has a single wild hair growing on top of his head, which he cultivates after Fuyuki tells him it's a "lucky hair."
Keroro: Crash ? Star Bowling Tournament, Sir! / Keroro: My Super-Decisive Plan, Sir?!
334. Keroro: Crash ? Star Bowling Tournament, Sir! / Keroro: My Super-Decisive Plan, Sir?!
July 22, 2021
Saburo and Keroro bet the Earth on whether the human or the frog team can win a bowling match! And then Keroro's dismayed by his platoon's lack of enthusiasm about the regular invasion meeting, so he turns into a giant monster to go on a rampage.
Keroro: Move Out, Commander-Substitute Robot, Sir! / Keroro: The Moon is Hella Nice, Sir!
335. Keroro: Move Out, Commander-Substitute Robot, Sir! / Keroro: The Moon is Hella Nice, Sir!
July 22, 2021
Wanting to come up with a brilliant invasion plan without interruptions, Keroro uses a cheap, discount copy robot to take his place! Later, he and the platoon fulfill the rash promise made by that robot to take the Hinata family up to the moon.
Dororo: The Creeping Shadow, Sir! / Natsumi: Hinata Family House Tours, Sir!
336. Dororo: The Creeping Shadow, Sir! / Natsumi: Hinata Family House Tours, Sir!
July 22, 2021
Zolulu, the assassin who considers himself Dororo's arch-enemy, traps the rest of the Keroro Platoon so they can't interfere as he engages Dororo in a duel to the death. Then Keroro tricks Natsumi into letting him "borrow" the house for a day. It's for a TV show and involves the platoon making some renovations, which Natsumi doesn't mind, until she learns the hard way that they're of the "hom...
Keroro: Flowers for Algernainon, Sir! / Giroro: Oh! Moomilk, Sir!
337. Keroro: Flowers for Algernainon, Sir! / Giroro: Oh! Moomilk, Sir!
July 22, 2021
Super-intelligent mice have invaded the house! And then, Keroro tries transforming Giroro into a cow as part of an invasion operation. But Giroro being male, he turns into a {\i0}bull{\i1}... a terrifying minotaur-like creature, to be exact.
Koyuki: On Halloween, Sir! / Koyuki vs. Alisa: Deep-Sea Battle, Sir!
338. Koyuki: On Halloween, Sir! / Koyuki vs. Alisa: Deep-Sea Battle, Sir!
July 22, 2021
Koyuki makes a new friend on Halloween... one of those who lurk in the dark, who Alisa is hunting as her latest prey!
Keroro: The Red Light of Terror, Sir! / Keroro: Invasion Plus-Minus, Sir!
339. Keroro: The Red Light of Terror, Sir! / Keroro: Invasion Plus-Minus, Sir!
July 22, 2021
Keroro and the platoon torment the Hinata siblings with stoplights planted throughout the house. Later, Keroro is addicted to an invasion simulation video game that may show him how to do it in real life.
Aki: Real Ramen, Sir! / Joriri: Fake Ramen, Sir!
340. Aki: Real Ramen, Sir! / Joriri: Fake Ramen, Sir!
July 22, 2021
Summary is not available.
Keroro: Survival by Toilet, Sir! / Keroro vs. Giroro vs. Tamama vs. Dororo, Sir!
341. Keroro: Survival by Toilet, Sir! / Keroro vs. Giroro vs. Tamama vs. Dororo, Sir!
July 22, 2021
Special toilet-centric episode! Chased by Natsumi, Keroro holes up in the bathroom and tries to survive with whatever is on hand. Later, Keroro and company are in town when they're struck by the need to relieve themselves all at the same time, but can't seem to find an available toilet.
Keroro: The Birth of a New Special Move, Sir! / Natsumi: The Hole Truth, Sir!
342. Keroro: The Birth of a New Special Move, Sir! / Natsumi: The Hole Truth, Sir!
July 22, 2021
Keroro works hard to develop a new special move to help him defeat Natsumi. And then, he uses Keron-style ventriloquism to make her think she can read minds!
556, Space Sheriff, Sir! / Leave it to Lavie, Sir!
343. 556, Space Sheriff, Sir! / Leave it to Lavie, Sir!
July 22, 2021
556 can hardly wait to pass the exam to become a space sheriff! But he's not doing so well with the practice tests. Later, the platoon gets captured by Viper, leaving Lavie to rescue them!
Pururu: Love Encounter on Pekopon, Sir! / Alisa & Momoka: A Battle Between Women, Sir!
344. Pururu: Love Encounter on Pekopon, Sir! / Alisa & Momoka: A Battle Between Women, Sir!
July 22, 2021
Chief Nurse Pururu is leaving the platoon and Pekopon for a new, distant outpost. Will Warrant Officer Bariri be able to share his feelings for her before she goes? Then Alisa and Momoka compete with each other in an icy obstacle course. The prize: a vacation with Fuyuki in Hokkaido!
Keroro vs. Giroro: Battle in the Icy Rain, Sir! / Keroro Platoon: The Great Forget-the-Year Party, Sir!
345. Keroro vs. Giroro: Battle in the Icy Rain, Sir! / Keroro Platoon: The Great Forget-the-Year Party, Sir!
July 22, 2021
Natsumi's stuck at the store and needs an umbrella to get home. Keroro and Giroro fight for the right to do it! Then Keroro orders a drink (it's not alcoholic, really!) that makes the platoon act like a bunch of drunken idiots for New Year's Eve. But it has a funny twist.
Keroro: Great Operation of Scrapped Operations, Sir!\NKeroro: Dear Lady Natsumi, Sir!
346. Keroro: Great Operation of Scrapped Operations, Sir!\NKeroro: Dear Lady Natsumi, Sir!
July 22, 2021
When an accumulation of rejected invasion plans come together to form a sentient giant monster with a grudge, its first target is the Hinata family. Then a freak accident turns Keroro into a soul that can possess items. He uses his new, phantom-like existence to terrorize Natsumi, whom he blames.
Keroro: The Aura of an Invader, Sir! / Dororo: Nn? Tamama-kun, Sir!
347. Keroro: The Aura of an Invader, Sir! / Dororo: Nn? Tamama-kun, Sir!
July 22, 2021
A Keronian named Orara, with an amazing invasion aura, comes to stay! And then, Tamama gets stuck to Dororo after accidentally breaking Keroro's precious toy.
Fuyuki: The Birth of Jerseyman Fuyuki, Sir! / Keroro: Lovely Cough Drop, Sir-pyoro!
348. Fuyuki: The Birth of Jerseyman Fuyuki, Sir! / Keroro: Lovely Cough Drop, Sir-pyoro!
July 22, 2021
When Fuyuki puts on a special jersey from Keron, he becomes Jerseyman, a globetrotting superhero with a special interest in cryptids. Then, the Keroro Platoon and the Hinata family all inadvertently suck on cough drops that cause them to spout weird little phrases at the end of each sentence. What's even weirder is that they seem to enjoy it!
Keroro: Invade the Everyday, Sir! / Keroro: Reset Banzai, Sir!
349. Keroro: Invade the Everyday, Sir! / Keroro: Reset Banzai, Sir!
July 22, 2021
The trial run for Keroro's latest invasion plan involves mixing up all the buttons and switches in the Hinata home, but when he tries to go "wide," the underground base's buttons get messed up, too. Then, when everyone is mad at Keroro, he uses a device to erase their negative short-term memories, but finds the process addictive...
Mois: Chronicle of Uncle's Struggles, Sir! / Aki vs. Cat: Mixed-Species Martial Arts War, Sir!
350. Mois: Chronicle of Uncle's Struggles, Sir! / Aki vs. Cat: Mixed-Species Martial Arts War, Sir!
July 22, 2021
Summary is not available.
This Time, 15 Minutes of Gerogero, Sir! / Giroro: Show Me, Sir!
351. This Time, 15 Minutes of Gerogero, Sir! / Giroro: Show Me, Sir!
July 22, 2021
Another special short skit-filled episode and this time the challenge is to do 22 skits in 15 minutes! Or, if that proves impossible, maybe 22 skits in 30 minutes? Starring the Keroro Platoon, the Hinata family, and guest-stars galore!
Nabebe: The Dark Hot Pot Master, Sir! / Natsumi: 623's True Identity, Sir!
352. Nabebe: The Dark Hot Pot Master, Sir! / Natsumi: 623's True Identity, Sir!
July 22, 2021
It's time for Keronian-style hot pot! It's... a little strange. And then, Natsumi thinks she's found out 623's secret identity! Could it possibly be...?
Ghost Girl: I'm Moving On, Sir! / Giroro: Even After the Time to Dream Has Passed, Sir!
353. Ghost Girl: I'm Moving On, Sir! / Giroro: Even After the Time to Dream Has Passed, Sir!
July 22, 2021
Sad that no one notices her, the Ghost Girl has decided to move on. And then, the platoon put Giroro to sleep and gives him dreams about Natsumi so that he won't notice the real her is in trouble from the platoon!
Keroro: Visitor From the Future, Sir! / 623: Video Killed the Radio Star, Sir!
354. Keroro: Visitor From the Future, Sir! / 623: Video Killed the Radio Star, Sir!
July 22, 2021
A robot comes from the future to help Keroro be less of a screw-up... but not in the way you'd expect. It's 623's final radio show, and Natsumi's invited! Can she resist the urge to shatter the mystery?
Ouka Retires, Sir! / Keroro: Can You Survive, Sir?
355. Ouka Retires, Sir! / Keroro: Can You Survive, Sir?
July 22, 2021
Ouka Nishizawa decides to retire to be more of a mother to Momoka. But is that what she really wants, deep down? Fuyuki joins the Keroro Platoon on a rescue mission to Area 51! Can they all avoid setting off the sneaky death flags?
Keroro Platoon: True Dragon Warriors, Sir! / Mois: Springtime for My Other Me, Sir!
356. Keroro Platoon: True Dragon Warriors, Sir! / Mois: Springtime for My Other Me, Sir!
July 22, 2021
To save Planet Keron from a super-powerful cosmic enemy, the frogs of the Keron Platoon metamorphose into dragons! Then, Mois helps her doppelg
Hinata Family: Haru Returns, Sir!
357. Hinata Family: Haru Returns, Sir!
July 22, 2021
Aki mentions on the phone that "haru" is coming, and Keroro immediately assumes that it must be a person, not "haru" as in the season of "spring." Then there's a huge snafu with the Keron Army inviting the friends of the Keroro Platoon to come visit Keron... with some ulterior motive.
Keroro: The World's Sergeant Keroro, Sir! / Keroro: Keron Army Style XKERsion Revealed, Sir!
358. Keroro: The World's Sergeant Keroro, Sir! / Keroro: Keron Army Style XKERsion Revealed, Sir!
July 22, 2021
Sergeant Keroro tries to invade the world by making multiple copies of himself, and then the platoon tries to do military training exercises because they think Fuyuki is doing them.
Description
Where to Watch Sgt. Frog
Sgt. Frog is available for streaming on the FUNimation website, both individual episodes and full seasons. You can also watch Sgt. Frog on demand at Amazon Prime.
  • Premiere Date
    April 3, 2004
  • IMDB Rating
    7.7  (771)