Mindy teaches Mork about practical jokes, but Mork doesn't quite get the hang of pranks. After a disastrous prank, Mindy moves out to live with Glenda Faye for awhile. Glenda convinces Mindy to take Mork back.
When Kip is discovered in the apartment without his Buffy disguise, Lilly Sinclair, the new manager of the hotel, decides to have the other residents vote on whether Buffy and Hildegarde are evicted or not.
Alex learns through a wedding notice in the newspaper that his daughter is getting married in New York. Alex is very upset that he hasn't been invited and calls his ex-wife, whose secretary explains that he was specifically not invited. Alex crashes the reception anyway, bringing Elaine with him. Cathy, his daughter, is thrilled to see him and asks why he didn't respond to her invitation. Alex gets angry again and tells off his ex-wife, insulting her weight in the process. Alex eventually feels guilty that he insulted his ex-wife and he pulls her aside and apologizes. They then start to reminisce and soon find that they are still somewhat attracted to each other. When they are about to kiss, Cathy finds them and lets them know how happy she is to see them together and asks them to hug. They do, and everyone is on good terms at the end.
Two cousins come of age in the early twentieth century, but fate leads them down very different paths.
When Drummond finally comes to, he is suffering from amnesia and unless he can regain his memory, he may lose not only his business, but also custody of Arnold, Willis and Kimberly.
The festive family celebration of Drummond's 50th birthday suddenly becomes a disaster after a drunk driver puts Drummond in the hospital, unconscious, his life hanging in the balance, in the first episode of a special two-part story.
When a potential Olympic champion is cut down in his prime his coach is accused of negligent homicide. A young lawyer, the only man who is willing to defend him, must rely on Quincy to find evidence to clear his clients' name.
Chester puts the moves on the maid of honor at Dutch and Eunice's wedding. The blackmail photos of Burt and Danny hit the papers. Despite the breaking scandal, Mary vows to stand by Burt. On her way to the Caribbean for some R&R, Jessica crosses paths with a Latin American revolutionary.
Roger Phillips, Marion's nephew, comes to Milwaukee to become an English teacher and the basketball coach at Jefferson High School. He gets off on the wrong foot with Fonzie after he inadvertently empties his locker, insults him, and crashes into his motorcycle.
Adam makes a decision when his sight returns, after an accident at Jonathan's freight warehouse. Mary feels that Adam may be slipping away from her.
A jilted Italian soldier, Corpsman Ignazio De Simone, is smitten by Margaret; Klinger pours a cement floor in the operating room to fight the spread of germs.
Eva explain to Franz that Mieze just wants to work to support him as Franz cannot do so due to his missing arm. He reconciles with Mieze. Franz goes to Reinhold’s and tells him how he has become a pimp. Reinhold is disgusted by Franz’s stump of an arm. Franz is inspired by a Communist rally and spouts his newly learned rhetoric to Eva and Herbert, which upsets Eva.
Kelly and Krsi go undercover as models in the Woodman Agency, where Julie and Jody both worked at one time. When another model from the agency commits suicide, the Angels visit the site at the same time as Julie and her friend, Harry Stearns. After shots are fired and Harry is killed, Julie admits that she has been working undercover with the police to gather evidence against Dale Woodman, who is using his modeling agency as a front for prostitution and drug trafficking. One of Woodman's clients, businessman Edward Jordan, also frequents the photography studio where Jody was killed. Kris is hired as a model, and quickly learns that Jordan has more on his mind than photography.
Jody Mills, a would-be model reduced to woking in a seedy amateur photography studio, is found murdered in an alley behind the studio. Her father hires the Angels, who begin an investigation of Jody's roommate, Julie Rogers. Kris learns that Jody may have bought drugs from Julie on the night of her death. A computer check reveals that Ms. Rogers also has a police record.
The Angels check into their hotel in Hawaii. When Kris goes out to get some champagne to celebrate Julie's joining the team, she is driven off the road and kidnapped.
Miss Piggy is cornered by flautist Jean-Pierre, who wants to speak French with her. She claims to have laryngitis, whispering, "My vocal coach told me not to speak French. I'm not even supposed to eat French fries!"