The Canadian Encyclopedia — neutral, cited, updated
July 26, 2026Sources cited
Canadianwire.
Canada’s encyclopedia & explainer
Home›Entertainment›Animated Series›ThunderCats
Entertainment • Animated Series

ThunderCats

ThunderCats is a media franchise built around a group of feline humanoid aliens from the planet Thundera.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

ThunderCats is a media franchise built around a group of feline humanoid aliens from the planet Thundera. It began as an animated television series that premiered in 1985 and became a syndicated action-adventure cartoon, later expanding into reboots, comics, and games.

Premise

ThunderCats follows a group of feline humanoids who flee the destruction of Thundera and take refuge on Third Earth. Their stories typically involve conflicts with the sorcerer Mumm-Ra and other enemies.

Original television series

The original ThunderCats animated series premiered in 1985 and concluded in 1989. It was a US-Japan production associated with Rankin/Bass Productions and Pacific Animation Corporation. The series launched alongside a line of LJN action figures and a syndicated weekday cartoon run.

Franchise expansion

After the original series, ThunderCats continued through later reboots, comics, and games. The property also developed a substantial fan following and reference material.

Cultural impact

ThunderCats became one of the best-known animated adventure series of the 1980s. Its characters and iconography remained recognizable enough to support reboots and ongoing fan archives.

Key facts

  • The franchise centres on cat-like humanoid characters known as the ThunderCats.
  • The original animated series ran from 1985 to 1989 and was produced by Rankin/Bass Productions with animation by Pacific Animation Corporation.
  • ThunderCats launched alongside a line of LJN action figures and a syndicated weekday cartoon run.
  • The story follows survivors from the planet Thundera after their homeworld is destroyed.
  • The franchise later expanded into additional television series, comics, and video games.
🍁
Canadian context

ThunderCats aired internationally and became part of the broader North American Saturday-morning and after-school animation landscape, making it familiar to Canadian audiences who watched imported US animated series.

Frequently asked questions

What is ThunderCats?
ThunderCats is a media franchise about feline humanoid aliens from Thundera, best known for its original animated television series from 1985 to 1989.
Who created ThunderCats?
The franchise is credited to Tobin Wolf, also known as Ted Wolf.
When did the original ThunderCats series air?
The original series ran from 1985 to 1989.
Who is the main villain in ThunderCats?
A central antagonist in the franchise is Mumm-Ra, an evil sorcerer.
Was ThunderCats only a TV series?
No. The franchise also expanded into toys, comics, video games, and later television reboots.

References

  1. Wikipedia — https://en.wikipedia.org/wiki/ThunderCats
    Supports: Original series dates, franchise description, creator, and production context.
  2. ThunderCats Encyclopedia — https://thundercats.org/encyclopedia/
    Supports: Fan archive describing the original 1985 ThunderCats world and characters.
  3. ThunderCats Encyclopedia — https://thundercats.org/encyclopedia/characters/
    Supports: Character scope across the original series and reboot.
  4. Wikipedia — https://en.wikipedia.org/wiki/ThunderCats_(2011_TV_series)
    Supports: Existence of the 2011 reboot and its relationship to the original premise.