A prince from a far kingdom is bored of being ruler and sees that Johnny looks exactly like him. Thus, the two switch places, and Johnny gets to be prince.

Bunny fears that Johnny has grown out of control without supervision, and decides to hire him a nanny. She settles on Donny Osmond, whose overly cheerful attitude and childish ideas of fun drive Johnny crazy.

Johnny goes home from the grocery store with a look-alike of his mother.

When Johnny agrees to take the initiation trial for the “Brotherhood of the Gnu”, a fraternity that Pops and Carl are members of, he must face the daunting tasks of eating one potato chip and listening to Brother Ernie’s unnecessarily long story of buying a new couch.

Johnny meets his hero, Squint Ringo, and performs the stuntman for his show.

Sister Sara helps Johnny after a cologne-induced hallucination and tells him she would have a date with him if he is nice.

Johnny gets on the wrong bus and ends up at computer camp, with Carl as his counselor.

After Johnny is knocked out by a woman he was flirting with, a band of sci-fi geeks find a dazed Johnny and become convinced he is a time traveler from 1963.

Johnny is brought before a courtroom to explain his actions from the previous day. A flashback begins, and Johnny explains that after seeing his blinking alarm clock that morning, he firmly believed that time had frozen and left him the only person able to move. A series of incredibly odd coincidences repeatedly affirms Johnny’s claim, […]

The annual Weasel Roundup is interrupted by a beautiful animal rights activist. She says she would think differently of Johnny if he would help animals. With the best of intentions, Johnny saves a piñata he names Pookey to return it to its native Mexico.

When Johnny mistakes Santa Claus for a burglar and knocks out jolly old Saint Nick (Tom Bosley), he must don the red cap to save Christmas.

Johnny fears the new hunk in town.

Johnny meets Enormous Ferguson, the famous basketball player. Johnny wants to help Ferguson and the Pogatuck Ferrets take on the Townsville Titans.

Johnny orders a seemingly complex work-out device over the phone, which turns out to be a rusty, worn-out shovel.

Johnny poses as the Tooth Fairy after feeling guilty for telling little Suzy that she was not real. To prove that Johnny truly is the Tooth Fairy, Suzy forces him to grant her three wishes.

Johnny joins an Amish community, and everybody thinks that Johnny is a relative from very far.

Little Suzy and Carl convince Johnny to help them make a movie about the Hansel and Gretel witch who lives at the edge of town.

Johnny and Bunny go to Scotland, and Johnny buys himself some haggis, causing problems when the Loch Ness Monster attempts to claim the dish for her own.

Johnny unwittingly follows the instructions of a satanic notebook in an attempt to get buff, thus summoning a devil named Derek that enlists him to join on an evil rampage. When Johnny’s attempts to help him end up becoming good things, he possesses Johnny to use his body to wreak havoc on the entire world.

Johnny takes up French class with Mama for their upcoming trip to Paris, France, but Johnny is a slow learner.

Johnny visits the South Seas, where a giant female gorilla falls in love with him.

Johnny tries to end the feud between Bunny and Mona Herschbum, the new next door neighbor, so he can go on a date with Mona’s beautiful tuba-playing daughter, Juliet “Julie” Herschbum.

When Johnny saves Luke Perry’s life, Luke reluctantly agrees to coach Johnny on one date, using a microscopic headphone placed in Johnny’s ear.

Johnny’s childhood nemesis, Stinky Brownstein, moves back to town. She is now very beautiful and actually interested in him, but he is unable to see past the memories of all the practical jokes she played on him when they were children.