In Forget-Me-Naut, a fall seems to have given Bula amnesia, but it turns out that Dark Truder has secretly abducted Bula and replaced him with a robot in hopes of getting rid of the Zula Patrol forever. The Bula-bot goes through astronaut re-training at the Zula Academy and he becomes a valuable member of the team and foils Dark Truder's latest plan to rule the universe.