A masked killer targets six college kids responsible for a prank gone wrong three years earlier and who are currently throwing a large New Year's Eve costume party aboard a moving train.
Tripper is the head counselor at a budget summer camp called Camp Northstar. In truth, he's young at heart and only marginally more mature than the campers themselves. Tripper befriends Rudy, a loner camper who has trouble fitting in. As Tripper inspires his young charges to defeat rival Camp Mohawk in the annual Olympiad competition, Rudy plays matchmaker between Tripper and Roxanne, a female counselor at Northstar.
Planet Earth is a devastated wasteland, and what's left of humanity has colonized the Moon in domed cities. Humanity's continued survival depends on an anti-radiation drug only available on planet Delta Three, which has been taken over by Omus, a brilliant but mad mechanic who places no value on human life. Omus wants to come to the Moon to rule and intends to attack it by ramming robot-controlled spaceships into the domes. Dr. John Caball, his son Jason, Jason's friend, Kim, and a robot named Sparks embark on Caball's space battlecruiser on an unauthorized mission to Delta Three to stop Omus.
Two rival robotics companies in the future release their latest creations at a robotics convention, claiming each to be the latest and greatest in technological advances. Mega Stellar Company's release is a robot boy named Romie-O, while Super Solar Cybernetics has released a girl robot named Julie-8. Unforeseen to each of the company's creators, is how each of the advanced robots soon falls in love with the other.