One of the most iconic animated series of the 1980s and a continuing pop culture force, ThunderCats is an epic tale of a young hero's journey to fulfill his ultimate destiny. The new ThunderCats series follows Lion-O, the young heir to the throne, who embarks on a great quest to take his rightful place as king. The kingdom of Thundera is threatened by the evil sorcerer Mumm-Ra, and Lion-O, the unlikely champion, must work with his faithful comrades Tygra, Cheetara, Panthro, WilyKat, WilyKit and his loyal pet, Snarf, on his journey to save their world from darkness.