Synopsis

Thundarr, Ookla, and Ariel hunted a mummy-like figure named Janus, who, along with a band of hawk mutants, had been raiding villages and disrupting the vital rail line once controlled by Tye – the former swamp urchin from “Harvest of Doom.” The chase led them to an unexpected revelation: Janus was in fact Gemini, the two-faced wizard from "Secret of the Black Pearl," concealing his identity while plotting revenge against Thundarr. And returning with him, as a surprisingly capable train driver an