ThunderCats Roar is an American animated television series developed by Victor Courtright and Marly Halpern-Graser for Cartoon Network.

[3] The show's premise is similar to the original series; in which the ThunderCats escape their dying homeworld Thundera, crash-land on Third Earth, and face off against various villains led by the evil overlord Mumm-Ra.

The series received a mixed reception from critics, while being panned by fans of the original show for its character designs, humor and characterizations, and it ended on December 5, 2020, being cancelled after just one season.

Lion-O, Tygra, Panthro, Cheetara, WilyKit and WilyKat barely escape the sudden destruction of their homeworld, Thundera, only to crash-land on the mysterious and exotic planet of Third Earth.

The series was panned by fans of the previous incarnations of the franchise for its art style, characterizations and comedic tone, drawing unfavorable comparisons to Teen Titans Go!