A blast from Ben’s past returns to do double the damage on Team Tennyson and planet Earth itself, forcing Ben to go interstellar to save the day. Based on the 2016 reboot.
David Kaye
Grandpa Ken / Max Tennyson / Azmuth Humungousaur / Omni-Kix Humungousaur / Omni-Naut Humungousaur / Shock Rock / Omni-Naut Shock Rock (voice)