Matthew Star may look like the kid next door. But he isn't. He's the kid from the next galaxy. Matthew hails from a planet called Quadris, where many of the problems faced by earthlings are also encountered. Matthew, when still an infant, was forced to flee from Quadris in order to evade the invasion of that planet by occupants of a neighbouring planet. On earth, with his guardian, he has to battle his enemies who come specially to kill him in order to sever his last link with the Quadris peoples to claim sovereignty. Matthew is unaware that the new girl (Maylo McCaslin) in school is really an assassin sent from his former home to destroy him.
Matt comes face-to-face with a big problem of being an alien. A case of mistaken identity lands Walt in jail, and Matthew without a guardian Matthew learns that a Walt look-alike is the real culprit, and he sets out in search of the crook.
Matthew must protect his identity while trying to prevent his none-too-talented stuntman friend from
killing himself. Nearby Matthew's school a movie is being shot. Everybody looks forward to to take part in the filming. Likewise Walt and Pete, an old friend of Matt's, take part in it. Pete would like to make his big breakthrough as a stuntman and when the professional stand-in jumps off, he takes advantage of this chance. For an extremely dangerous scene he risks even his own life.
Walt asks Matthew to date a girl who is trying to develop a solar house plant that will win first prize at the science fair. He needs the time this diversion will create to change the dangerous compound she is preparing into a harmless one.
All it takes is an accidental knock on the head for college student Becky Vance to start having visions of the future. And the visions are terrible predictions of accidents-to-be involving her family and friends. Her classmate, alien exile Matthew Star, tries to help by using his superpowers but endangers his own life in the process.
Matthew's mentor, college lecturer Walt Shepard also wants to help, only to find they are stumbling into a life-threatening situation as the girl's final and most frightening premonition begins to come true.
And with Matthew so engrossed with helping Becky in this serious situation, Becky's father and Matthew's college girlfriend Pam Elliot think Matthew and Becky are having an affair!
Matthew gets his first taste of life in another country when he and Walt are lured to Italy to recover a top-secret item that has been stolen by the Red Brigade.
Matthew uses his supernatural powers to earn a spot on the football team.
A camping trip for Matthew, Pam and their friends turns deadly when they realize that unseen assailants are after them.
When Pam's uncle disappears over the Bermuda Triangle, she refuses to believe that he's dead and convinces Matthew to help her find him.
Matthew learns that his mother has arrived to earth. She assumes the identity of a fortune teller.
Matthew discovers that he can communicate with other species when he picks up telepathic messages of pain and distress from a sick dolphin at an oceanarium.
Matthew must perform a daring rescue to save Walt, whose unusual insides have fascinated the doctors treating him for a virus.
Matthew (Peter Barton) uses his newest power—leaving his earthly body- when he and Walt (Louis Gossett Jr.) are summoned by the Government to investigate a series of underworld murders. Captain Wymore asks Matthew to go undercover and "die" in a fancy hospital where many big-time gangsters are known to have mysteriously perished.
Matthew and Walt take up motocross racing to keep tabs on a headstrong heiress who is the target of an international terrorist organization.
Matthew and Walt masquerade as a magician's assistant and a casino dealer to break up a huge syndicate that specializes in illegal activities.
Matthew and Walt work against time to recover a stolen NASA guidance system before the scheduled landing of the space shuttle.
Matthew and Walt get embroiled in the search for a cache of stolen diamonds.
Matthew poses as a brilliant whiz kid to learn how an exclusive computer dating service for geniuses is being used as a front by those who would kidnap them.
Matthew and Walt pose as stunt flyers in an air circus to recover sensitive NATO documents that were aboard a stolen plane.
A seaside smuggling ring involving teens and crooked cops leads Matthew to get into the local drag racing scene and Walt to masquerade as a corrupt policeman.
Matthew unknowingly gambles with his life when he competes in a spooky game held in the underground tunnels of a college campus.
A high school student begins to display frightening supernatural powers which, unknown to him, are the result of his extraterrestrial origins.