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A team of humanoid cats fight evil in their adopted home world.
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Series cast summary:
Bob McFadden ...
 Snarf / ... (125 episodes, 1985-1989)
Larry Kenney ...
 Lion-O / ... (125 episodes, 1985-1989)
Earl Hammond ...
 Mumm-Ra / ... (125 episodes, 1985-1989)
Lynne Lipton ...
 Cheetara / ... (125 episodes, 1985-1989)
 Panthro / ... (125 episodes, 1985-1989)
Peter Newman ...
 Tygra / ... (125 episodes, 1985-1989)
Gerrianne Raphael ...
 Pumyra / ... (60 episodes, 1987-1989)
Doug Preis ...
 Alluro (60 episodes, 1987-1989)


The inhabitants of the planet Thundera evacuate just before it is destroyed. They were pursued by a band of mutants. All but one of their escape ships was destroyed. Only a small group of Thunderans (Thundercats) remained. With only half engine power, the group, which was led by Jaga, had to set a course for the nearest planet. Jaga commanded their ship while the other 7 were in their stasis tubes. Jaga died on their journey to Third Earth and their ship crashed there. Soon they made friends with various groups in the area and they designed a fortress. Mumm-Ra the centuries-old embodiment of evil, along with the mutants that destroyed the rest of the Thunderans are a constant threat. But Lion-O, the new leader of the Thundercats, with his weapon the "Sword of Omens" will help the Thundercats to have a standing chance. Written by D. Darnoc

Plot Summary | Add Synopsis

Plot Keywords:

mutant | friend | sword | old age | death | See All (43) »


TV-Y7 | See all certifications »




Release Date:

23 January 1985 (USA)  »

Also Known As:

Cosmocats  »

Company Credits

Show detailed on  »

Technical Specs


| (130 episodes)

Sound Mix:


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Did You Know?


The cartoon was revived in 2011 as a prequel reboot following Lion-O and the Thundercats in their teenage years. See more »


[repeated line]
Lion-O: Thunder... thunder - thunder - THUNDERCATS, HOOOOOOOOOOOO!
See more »


Referenced in Toy Hunter: Battle for Seattle (2013) See more »


Music by Bernard Hoffer
Lyrics by Jules Bass
See more »

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User Reviews

The Best Cartoon Ever!
9 July 2006 | by (United States) – See all my reviews

ThunderCats is the absolute best cartoon ever created. In a time when Anime was not yet that popular in the U.S., the creators of ThunderCats had the sensibility to try something new, to make ThunderCats stand apart by using Japanese cartoonists.

With the most talented voices of any cartoon, ThunderCats reached the top of the charts, an instant hit. It had sensational, original music which had a different theme for each character and the theme song was catchy and simple enough for kids to pick up and sing along.

It was truly original. In a time when heroes were macho beyond macho, Lion-O had the vulnerability of having the mind of a child trapped in the body of an adult, the result of his body aging while spending 10 Galacto years in a suspension capsule. As Tygra said in the second episode, he missed those important growing up years where a person matures into adulthood. He was truly relatable to kids.

Kids also related well to Wilykit and Wilykat, two kids on the team who had to deal with adults telling them what to do.

All the ThunderCats were superb characters, though I must say Tygra is my favorite. The cartoon blended three very important elements which helped it become a success: action/adventure storytelling, humor, and moral & ethical values. And that most kids love cats didn't hurt either.

Cartoons today stink, the 80's rocked for the best cartoons and ThunderCats were the best ever. This was my favorite cartoon as a kid and I find now watching them on DVD, I love them more than ever. It's a cartoon which both kids and adults can love.

ThunderCats Ho!

7 of 8 people found this review helpful.  Was this review helpful to you?

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