Merlin, who nowadays operates an auto mechanics shop, meets Zac, who he takes on as his new apprentice in both sorcery and fixing cars.

Zac is dating cheerleader Sheila. Mr. Merlin substitutes as coach for the Mumford Mohawks basketball team. But something is bothering Leo, and he refuses to confide in Zac nor Mr. Merlin.

Crazy Mike Wallshime tries to beat up Zac for surpassing his high score, but Zac uses teleportation to come out victorious. He quickly gains a reputation as an undefeatable fighter, but then Merlin takes away his powers.

Max needs his tonsils to be removed, and the only available bed is in the children's ward. Leo urges Zac to ask if he can borrow's Mr. Merlin's car to take two girls to the drive-in.

Alex insists that Merlin teaches Zac to see that plain looking Diane has a much better personality than knock-out blonde Chris.

Zac is convinced he needs a van so he can impress a senior girl named Susan. Mr. Merlin grants him his wish, but only to teach him a lesson.

Zac wants to try out for the school play to impress a girl, but his acting is terrible. He tries using a magic spell to make everyone see him as an amazing actor.

Alex loses her ability to go anywhere or "pop" as she refers to it. So Max tries to restore it. But it somehow ends up in Leo who finds going to places far away.

Zac tries to find the perfect date to the school dance, playing on multiple girls, while Leo can't find any date. Alex and Mr. Merlin use magic to teach Zac a lesson and to give Leo the attention he lacks.

Leo and Zac are looking for the next big thing to get rich quick. Zac remembers Mr. Merlin recently threw away an Impossible Puzzle that he created for Galileo.

Tired of waiting for her boyfriend Harry to propose, Zac's mom decides to accept a job in New York and move there. Zac doesn't want to move, and Mr. Merlin tries to nudge Harry in the right direction.

Harry and Zac's mom are getting married and moving to Hawaii. Mr. Merlin is looking for a new apprentice. Alex comes up with a solution: if Zac moves in with Merlin, he can stay in San Francisco.

Alex' tarot cards predict that Zac's geometry test will turn out badly, as will his entire week. So, Zac refuses to defend the school's honor in a ping pong match. Then Luther presents a lucky amulet Merlin once gave to Napoleon.

Dink's hot dog stand has to make way for a new shopping center. Mr. Merlin offers to represent Dink and talk to the opposing lawyer, whom he ends up dating.

Zac uses his magic powers to give Leo more confidence. But when Leo goes overboard, Zac organizes a dinner party to teach his best friend a lesson.