Once a satellite enters Earth orbit, a strange device materializes and presents a message for Buck Rogers, and a warning of a possible attack. Unable to solve the peculiar puzzle, Dr. Huer believes that the device was sent by someone with a grudge against Buck so he scans Buck, Wilma and Twiki's memories to review many of the villains they have crossed paths with. Meanwhile, Dr. Theopolis attempts to logically narrow down the culprit - or the prankster - responsible for the curious riddles.
Did You Know?
There is some contradictory between two earlier episodes by stating that villains shown killed in those stories are actually still alive, for reasons not explained. See more