Merlin, the same sorcerer who lived in Camelot during King Arthur's times, has reappeared as a mechanic in San Francisco. Alex, a representative of Max's superiors, comes with a warning, he must find an heir to his powers or will lose his powers. Reluctantly Merlin accepts and starts his quest until finally an irresponsible youth named Zachary Rogers draws our a bar crowbar from a can of cement. Merlin reveals his identity and tells Zac he will become an apprentice. The young man doesn't believe it at first but later he is convinced through some magic. He is ordered not to tell anyone. Although he would love to tell his pal, Jonathan, he comes to understand all the implications of his new life.

This sitcom was a Larry Larry Production in assn with Columbia Pictures TV.