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Sgt. Frog 

Keroro gunsô (original title)
1:12 | Trailer
An alien frog plotting the conquest of Earth is forced to work out of a not-so-typical Japanese household.




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Series cast summary:
Leah Clark ...  Fuyuki Hinata / ... 78 episodes, 2004-2005
R. Bruce Elliott ...  The Narrator / ... 78 episodes, 2004-2005
Todd Haberkorn ...  Keroro 78 episodes, 2004-2005
Cherami Leigh ...  Natsumi Hinata 78 episodes, 2004-2005
Brina Palencia ...  Tamama 77 episodes, 2004-2005
Christopher Sabat ...  Giroro 76 episodes, 2004-2005
Chuck Huber ...  Kululu / ... 71 episodes, 2004-2005
Carrie Savage ...  Angol Mois 67 episodes, 2004-2005
J. Michael Tatum ...  Dororo 61 episodes, 2004-2005
Michael C. Pizzuto ...  Kururu (Animax) 52 episodes, 2004-2005
Jessica De Borja Jessica De Borja ...  Koyuki Azumaya (Animax) 52 episodes, 2005-2006
Jamie Marchi ...  Aki Hinata / ... 51 episodes, 2004-2005
Kumiko Watanabe ...  Keroro 48 episodes, 2004-2005
Keiji Fujiwara ...  The Narrator / ... 46 episodes, 2004-2005
Tomoko Kawakami ...  Fuyuki Hinata 46 episodes, 2004-2005
Chiwa Saitô Chiwa Saitô ...  Natsumi Hinata 46 episodes, 2004-2005
Etsuko Kozakura ...  Tamama 45 episodes, 2004-2005
Jôji Nakata ...  Giroro 44 episodes, 2004-2005
Monica Rial ...  Momoka Nishizawa / ... 44 episodes, 2004-2005
Takehito Koyasu ...  Kululu / ... 39 episodes, 2004-2005
Luci Christian ...  Koyuki Azumaya / ... 38 episodes, 2004-2005
Joel McDonald ...  Saburo / ... 36 episodes, 2004-2005
Mamiko Noto Mamiko Noto ...  Angol Mois 36 episodes, 2004-2005
Takeshi Kusao ...  Dororo 33 episodes, 2004-2005


Sergeant Keroro, a frog-like alien invader, is captured in the line of duty by two Japanese teenagers while scouting for an invasion of Earth. After being left behind when the mission is aborted, Keroro is taken in (with some reluctance on all parties) by his captors: Fuyuki Hinata, his big sister Natsumi, and their single mom Aki. Keroro quickly begins plotting his comeback, scheming to reunite with his amphibian squad-mates (the mercurial Private Tamama, the gruff Corporal Giroro, the mischievous Sgt. Major Kururu, and the enigmatic Dororo) and renew their plan to conquer Earth (or "Pekopon", as the invaders call it)... when he's not being distracted by building Gundam model kits, or by other aspects of Earth culture. Written by Andrew P.

Plot Summary | Add Synopsis


TV-Y7 | See all certifications »

Parents Guide:

View content advisory »


Official Sites:

Sunrise [Japan]





Release Date:

3 April 2004 (Japan) See more »

Also Known As:

Sergeant Frog See more »

Company Credits

Production Co:

Sunrise See more »
Show more on IMDbPro »

Technical Specs


(357 episodes)

Sound Mix:




Aspect Ratio:

1.33 : 1
See full technical specs »

Did You Know?


Vic Mignogna was the original choice for the English dub voice of Keroro. While Todd Haberkorn (who is now the official English dub voice of Keroro) was originally going to be the voice of Kululu. See more »


Referenced in Super Robot Wars OE: Operation Extend (2013) See more »

Frequently Asked Questions

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User Reviews

This one's for all the frustrated Invader Zim fans!
16 November 2006 | by MartinHaferSee all my reviews

I am a strange person in that I am post-40 and still enjoy cartoons as much as when I was a kid. One of the more recent cartoons I have particularly enjoyed is the totally bizarre and seemingly pointless INVADER ZIM. Unfortunately, the show was just too weird and edgy for Nickelodeon and it was quickly canceled, though it has a very strong cult following. Apart from one season of shows, though, there just isn't much ZIM out there. And in light of this, I am strongly recommending Keroro gunsô (Sgt. Frog). The show is very, very similar in so many ways. BOTH star a totally inept short little guy who comes to Earth to dominate and conquer us for their empires and both are so hopelessly inept that they haven't a prayer! The only major difference is that Sgt. Frog isn't quite as bizarre or high energy. Instead of insanely over-the-top action like ZIM, Sgt. Frog is a slower paced and sweeter character--a lot more cuddly and cute than ZIM. Plus, for all you GIR lovers (he's ZIM'S robot helper), there isn't a corresponding character in Keroro gunsô. For this reason, I like this series a little less, but still recommend you give it a try.

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