Fred reverts to childhood after getting hit on the head with a bowling ball. After looking for a doctor, Barney finds a mad scientist that uses electric shock to swap personalities.

Fred makes arrangements for Pebbles' first birthday and the Water Buffalo Lodge parties. Trouble ensues when the only caterer in town muddles the parties, including sending a clown to the Water Buffalo Lodge and dancing girls to Pebbles' birthday party, and Fred gets blamed for it.