Fonzie asks Richie to watch after his girl, Denise, while he's out of town at a demolition derby. Denise, upon hearing what Fonzie's asked Richie to do, decides to test Richie's trustworthiness. Richie succumbs to temptation and makes out with Denise at Inspiriation Point, but he later finds out that she has mononucleosis.
morelessRichie, Postie, and Ralph are forced to go cruising for girls in Howard's DeSoto after Marion dents Richie's car at the supermarket. They find three girls but, later, find their boyfriends who are members of a gang called the Dragons.
morelessRichie goes against Howard and, to get a girl, campaigns for Adlai Stevenson in the 1956 Presidential race.
Richie and Potsie plan to host a poker night at the Cunningham house as Howard and Marion will be out of town. However, their plans change when three young women stop by after their car breaks down, and Potsie invites them to stay the night.
morelessHoward wants Christmas Eve to only include the family, but Richie discovers that Fonzie will be all alone.
Spike, Fonzie's little cousin, takes Joanie out on her first date. Richie and his date act as Joanie and Spike's chaperones and discover them missing at the movie theater.
After experiencing a few strange happenings, Richie begins to buy into the legend that the place where Ralph's Halloween party is to be held, the old Simpson house, is haunted.
Richie is named R.O.T.C. squad leader but has trouble controlling his squad. After several warnings to obey his commands, he puts them all on report.
With his dating style being cramped by Howard having to drive him everywhere, Richie convinces his father to buy a second family car that he can use on weekends. Richie persuades Howard to buy a car that Fonzie is selling, but his amorous plans hit the skids when he hears that it is stolen.
morelessRichie feels that he doesn't have enough privacy, so he decides to move in with Chuck. He quickly discovers, though, that bachelor life isn't quite what he expected it to be.