The ThunderCats continue their quest for the Book of Omens, which leads them to the fabled Tower of Omens. However, they will first have to get past a series of deadly traps in order to reach it. Meanwhile, Mumm-Ra grows tired of waiting and forces Jaga to reveal the Book's location, and plans to go there himself to take it at all costs.

Cast: Will Friedle, Dee Bradley Baker, Corey Burton, Emmanuelle Chriqui, Robin Atkin Downes, Madeleine Hall, Satomi Koorogi, Matthew Mercer, Eamon Pirruccello, Kevin Michael Richardson