Benji has become stranded on a remote island after a boating accident. He finds himself struggling to survive in the wilderness, avoiding close encounters with a wolf, a bear, and a territorial female cougar with her cub.

Benji, Zax & the Alien Prince is a live-action Hanna-Barbera and Mulberry Square children's science fiction television series created by Joe Camp, the creator of the Benji film franchise. The series aired Saturday mornings on CBS in 1983 with repeats airing in the United States and internationally for a number of years through the 1980s. The series was taped in various parts of the Dallas–Fort Worth Metroplex, with interiors taped at the Las Colinas studios in Irving, Texas. The entire series was released to DVD by GoodTimes Home Video as four separate releases of 3 or 4 episodes each and a single release with all 13 episodes.

A snobbish investor and a wily street con-artist find their positions reversed as part of a bet by two callous millionaires.

Browning is a PI with a bad cold, who's sent to investigate a case by a mysterious client. He stumbles across the body of a young woman and is stabbed to death, and when he wakes up in heaven, they tell him he's "marginal material," and they can only decide on his final destination through one last assignment: to go back and solve his own murder. As a dog. A cute fluffy little dog (Benji). Undaunted, Browning begins to investigate the case as best he can around his canine disabilities (dialing the phone presents a special challenge) to solve the murders, save the girl, and see justice done.

While on a publicity tour in Switzerland, Benji, Cindy Smith, and Patsy Garrett convince Kris Kringle that his place on Christmas Eve is delivering presents to all "his" families all over the world.

Benji gets lost after a flight overseas and becomes a stray in Athens, Greece. He then tries everyday to reunite with his family while mysterious people pursue him, in a race to get a code which was secretly tattooed on his paw at the airport. But who are the bad guys and who are the agents that can be trusted? Will Benji and his kids and their nanny ever get to enjoy their vacation?