Season
Episode
Player server
Sgt. Frog

Sgt. Frog

20047
AnimationComedySci-Fi & Fantasy
Released
Apr 03, 2004
Country
Japan
Productions
TV TokyoSUNRISE
Alien frogs come to take over the planet & get into all kinds of trouble while living under the roof of a small family.

About

Quick guide

A squad of alien frogs tries to invade Earth but ends up doing chores for a human family.

In 2004, an animated series introduced a comedic take on alien invasion. A platoon of frog‑like soldiers from Planet Keron, led by the inept Sergeant Keroro, crash‑lands on Earth and are taken in by the Hinata family. The series follows the soldiers’ futile plans to conquer the planet while they endure daily tasks and endless misunderstandings, all set in a bright, family‑friendly cartoon world. Episodes combine science‑fiction parody with slap‑stick humor, featuring the antics of Keroro, Tamama, Giroro, Kururu, and Dororo. The show ran for 358 episodes until 2011, spawning several films and a dedicated fan base.

What to know

  • Aired April 2004 – April 2011, 358 episodes.
  • Main characters are Keroro, Tamama, Giroro, Kururu, Dororo and the Hinata family.
  • The tone is light‑hearted, with slap‑stick humor and mild sci‑fi parody.
  • Each episode is self‑contained, focusing on Keroro’s mischief and family chores.
  • The show is rated TV‑PG and suitable for children and teens.
  • It was produced by Sunrise, a studio known for anime like Gundam.
  • English dubs were released by Funimation and later streamed on Crunchyroll.
  • The series has a large fan community and is referenced in anime memes.

Watch if

If you enjoy quirky, family‑friendly anime with a mix of sci‑fi parody and slap‑stick comedy, Sgt. Frog offers light, fast‑paced episodes that showcase inventive alien misadventures and heartwarming, if chaotic, family dynamics.

Skip if

If you prefer serious drama, intense action, or mature themes, you’ll likely find Sgt. Frog too whimsical and lacking depth in its humor and storyline.

family friendlylight tonefast pacedfantasy violencelanguage somedialogue heavy
Series Premise
The Keroro Platoon, five frog‑like aliens from Planet Keron, tries to conquer Earth but consistently fails. Their leader, Sergeant Keroro, is more interested in plastic model kits than domination. After the larger Keron army deserts them, Keroro is conscripted into the household of the Hinata family, where he must do chores and manage family life, leading to endless comedic situations.
Main Characters
Keroro is the bumbling, ambitious sergeant; Tamama is the violent, yet lovable second‑class private; Giroro is the earnest, often romantic soldier; Kururu is the clever, mischievous sergeant major; Dororo is the disciplined, ninja‑trained corporal. The Hinata family—father Fuyuki, daughter Natsumi, mother Momoka, and pet dog—serve as Keroro’s captors and inadvertent allies.
Tone and Style
The show maintains a light, fast‑paced comedy with frequent slap‑stick gags and sci‑fi references. Visual humor is amplified by exaggerated facial expressions and cartoon physics. While occasional mild violence appears during mock battles, it remains harmless and family‑appropriate.
Production and Broadcast
Produced by Sunrise, the series aired on TV Tokyo from 2004 to 2011, comprising seven seasons. English dubs were handled by Funimation and later streamed on Crunchyroll. The anime spawned five feature‑length films and a second 23‑episode series in 2014.
Audience and Reception
Targeted at children and teens, the show has a broad fan base. Its simple, episodic format appeals to viewers who enjoy quick laughs without heavy plot twists. Critics praised its humor and character variety, while some noted its lack of narrative depth.
Legacy and Availability
Sgt. Frog remains a staple in anime merchandise, with toys, video games, and fan art. Episodes are available on DVD, Blu‑ray, and streaming services. The franchise continues with upcoming projects celebrating its 20th anniversary.

FAQ

49 Q&A
What element does Yukiki control?
Yukiki does not control any element. This character does not appear in Sgt. Frog.
Who is Fuyuki Hinata's best friend among the frogs?
Dororo is Fuyuki Hinata's best friend among the frogs. They met when Fuyuki was a child.
Who are the five main frog characters?
The five main frog characters are Sergeant Keroro, Corporal Giroro, Lance Corporal Dororo, Private Tamama, and Sergeant Major Kururu.
Why do the frog aliens stay with the Hinata family?
The frog aliens stay with the Hinata family because their invasion plans failed. They were left stranded on Earth.
What is Private Tamama like?
Private Tamama is very cute and likes to eat. He is also a bit of a pervert and has a dark side.
Who is Dororo's enemy?
Dororo's main enemy is his former ninja master, Koyoro. Koyoro seeks revenge on Dororo.
Who is the leader of the Shurara Corps?
The leader of the Shurara Corps is Captain Shurara. He is a powerful warrior who wants to conquer Earth.
Who is Sergeant Keroro?
Sergeant Keroro is the leader of the frog aliens. He is supposed to invade Earth but often gets sidetracked.
What is the main goal of the frog aliens in Sgt. Frog?
The main goal of the frog aliens is to invade and conquer Earth. However, they often fail due to their own incompetence and distractions.
What is Lance Corporal Dororo like?
Lance Corporal Dororo is a ninja. He is quiet, mysterious, and skilled in combat. He has a sad past.
What is Earth called by the frog aliens?
The frog aliens call Earth 'Planet Angol Moa'. They believe it is a prime target for invasion.
What planet are the frogs from?
The frogs are from the planet Keron. It is a planet populated by alien frogs.
Who is Kururu's human friend?
Kururu does not have a specific human friend. He is more interested in inventing gadgets.
Who controls shadows in Sgt. Frog?
Dororo is the one who controls shadows in Sgt. Frog. He is a skilled ninja.
What is the Shurara Corps?
The Shurara Corps is a group of alien warriors. They are enemies of the Keron military and try to conquer Earth.
What does Sergeant Keroro like to do instead of invading Earth?
Sergeant Keroro likes to build Gundam models and play video games instead of invading Earth. He also enjoys annoying the Hinata family.
Who is Dororo's human friend?
Dororo's human friend is Fuyuki Hinata. They met when Fuyuki was a child.
Who is Tamama's human friend?
Tamama's human friend is Momoka Nishizawa. She is a rich girl who is very fond of Tamama.
What is the name of the frog army?
The frog army is called the Keron Army. They are from the planet Keron.
What does Natsumi Hinata do to Keroro?
Natsumi Hinata often physically abuses Sergeant Keroro. She gets angry when he causes trouble.
Who takes care of Giroro?
Natsumi Hinata often takes care of Giroro. She sometimes shows concern for him.
What is Sergeant Major Kururu like?
Sergeant Major Kururu is a brilliant inventor. He wears glasses and is always creating new gadgets, often for mischief.
Who is the Hinata family?
The Hinata family is a human family living on Earth. It includes Fuyuki, Natsumi, and their mother, Akina.
What is Dororo's real name?
Dororo's real name is Zeroro. He changed it to Dororo after a difficult event in his past.
What is Corporal Giroro like?
Corporal Giroro is a soldier who loves fighting. He is strong, serious, and protective of Natsumi.
What is the name of the first English dub of Sgt. Frog?
The first English dub of Sgt. Frog was called "Sgt. Frog" and was produced by Funimation.
What does Tamama's symbol mean?
Tamama's symbol is a crescent moon, which is often associated with change or mystery.
What is the name of Keroro's platoon robot?
Keroro's platoon robot is called the Geroroid.
Will there be a new Sgt. Frog TV series in 2026?
There is no official announcement for a new Sgt. Frog TV series in 2026 at this time.
Who animated the Sgt. Frog anime?
The Sgt. Frog anime was animated by Sunrise Studios.
Which frog character was not part of the original group?
Tamama was not part of the original group of frogs that invaded Earth.
What is the plot of the Sgt. Frog movie that came out in 2026?
There is no Sgt. Frog movie released in 2026.
When did the first Sgt. Frog anime start and end?
The first Sgt. Frog anime started in April 2004 and ended in March 2011.
What is Putata's 'paintbrush'?
Putata's 'paintbrush' is a device used for creating illusions and illusions-based attacks.
Is there a new Sgt. Frog anime project coming?
There have been no official announcements regarding a new Sgt. Frog anime project.
When did the Sgt. Frog manga start?
The Sgt. Frog manga started in March 1999.
Why was the term 'Pokopen' changed to 'Pekopon' in the English dub?
The term 'Pokopen' was changed to 'Pekopon' in the English dub to avoid potential cultural insensitivity and for better comedic effect.
How many episodes did the first anime series have?
The first Sgt. Frog anime series had a total of 358 episodes.
What is the name of the manga the anime is based on?
The anime is based on the manga titled "Keroro Gunsou".
When did the Funimation English dub of Sgt. Frog start?
The Funimation English dub of Sgt. Frog, initially titled "Sgt. Frog", began airing in 2005.
How many episodes were released in the Funimation English dub?
The Funimation English dub released 72 episodes.
What is the original Japanese title for Sgt. Frog?
The original Japanese title for Sgt. Frog is "Keroro Gunsou".
Who are the members of the Garuru Platoon?
The members of the Garuru Platoon are Garuru, Giruru, Goriri, and Gelulu.
When did the second Sgt. Frog anime air?
The second Sgt. Frog anime, titled "Keroro Gunsou Shin" or "Sgt. Frog Shin", aired from April 2014 to March 2015.
Is the Sgt. Frog anime suitable for children?
Sgt. Frog is generally considered suitable for older children and teenagers due to its humor and some mild action sequences.
What is the main difference between the Sgt. Frog manga and anime?
The main difference is that the anime expands on the manga's stories with filler episodes and sometimes alters plot points for comedic or narrative purposes.
What color is Kururu naturally?
Kururu's natural color is not explicitly stated, but he is often depicted as having a purple or dark blue hue.
Who wrote and illustrated the Sgt. Frog manga?
The Sgt. Frog manga was written and illustrated by Mine Yoshizaki.
What happens at the end of the Sgt. Frog story?
The Sgt. Frog story does not have a definitive ending as the manga is ongoing and the anime concludes with the aliens still on Earth, not having completed their invasion.

Actors

Kumiko Watanabe
Kumiko Watanabe
SGT Frog