Kip uses the public library commercial he's directing as an excuse to hire Sonny as a dancer, hoping to kick-start her career.
Mindy has a broken record player that the repairman won't fix for a second time. Mork and Mindy want to get revenge on the repairman, so Mork puts him on trial before a jury of broken appliances.
Mary Ellen finds out that Curt is still alive. He is living in Florida but is quite the different person from the man she remembers. J.D. asks Erin to come back to work by begging Erin.
On a school field trip to see the Rainbow Comet up close, Astro and classmates are kidnapped by Atlas.
Arnold's excitement at being one of a small group of students in an exchange program with an all-white school is turned to fear by a threatening phone call from a zealous busing opponent.
At the opera, Jonathan is mistaken for a hitman and is given an envelope containing $100,000 for the job. When the messenger is murdered, Jonathan poses as the hitman in an attempt to save the victims life.
After a day of everyone asking favors of him, Fonzie has a nightmare about a mad scientist draining his cool.
The missing shop owner and missing former roommate of the tenant are found in an unexpected place. Sapphire tries to contact the missing roommate. The faceless man intervenes.
When one of B.J.'s girlfriends begins to gamble with his money,the trucker sets out to investigate and uncover's a blackmail scheme related to some pictures.
Margaret develops a case of prickly heat, Charles does his tax returns, and Klinger takes the P.A. apart - just some of the events, which occur during another unendurably, hot night at the 4077th.
Arthur, Ford and the gang arrive at the Restaurant at the End of the Universe on Magrathea, built on the ruins of a planet-building complex, transported there by the exploding computers. Here, thanks to compound interest, you can enjoy a vast five-course meal and cabaret at no cost whatever while the universe collapses and dies around you. Arthur and Ford are surprised to find Marvin still waiting for them in the restaurant's star-ship park. He has been there rather a long time. They decide to steal a space-ship, but unfortunately it turns out to be the stunt ship of Disaster Area, the loudest rock band of all time, and is programmed to plunge directly into the sun. So what next?
Cecil helps Blake with his money problems. Jeff and Fallon get married. Blake's driver, Michael Culhane, who's been sleeping with Fallon, is a bit jealous, because she won't take him anymore. Blake hires him to do undercover work for Denver-Carrington, and he starts flirting with Cecil's secretary. Blake warns him about being unloyal. Steven gets a visit from his gay friend, Ted Dinard, from New York.
Mrs. Oleson wants Laura to add several courses to her school curriculum, including art appreciation and French. Since Laura believes that the kids don't need to know these subjects, she quits. Mrs. Oleson is the person who takes over as teacher.
The guys are confident over an upcoming basketball game until they find out they're playing the amazing King Charles Unicycling Basketball Troupe!
Louise is heartbroken when she discovers that the city is planning to tear down the building she grew up in. This leads her to make one last visit to her childhood home where she quickly remembers special memories of her mother and of her wedding day.
In honor of Johnny Cash's appearance, the show is simulcast over country radio station WHOG, and the radio broadcast threatens to overwhelm the actual show. The head of WHOG, Big Tiny Tall Saddle, insists on making all the decisions. He refuses to let Rowlf go on, and instead schedules Grampaw McGuire and his whistling bricks. Kermit tries to run his own show, but Big Tiny is one of the toughest men alive -- when he's annoyed, he has a habit of wrapping microphone stands around people's necks. Fozzie is replaced by Wally Whoopie, a stand-up comedian who makes fun of the bear -- which inspires Kermit to stand up for his friend, and his show.
Neal continues to investigate Macafee's life as a way of clearing LaRue; Belker and several others go undercover dressed as women to catch a rapist; Esterhaus broods over his two women; and Goldblume questions his ability after losing a jumper.
The planet Traken. The Traken union is a society living in perfect harmony, watched over by the powerful but benign Keeper. But now the Keeper is dying, and he senses a great evil within his protectorate. Can the Doctor help him discover the secret of the Melkur?
In ""The Man from Yesterday"" William T. Keating posing to be a photo-journalist arrives with the intent to kill, not interview, his subject the famed Mad Major Calvin Doyle, deserter and murderer. And in ""World's Most Desirable Woman"" middle-aged Marsha Garnett is transformed into Carla Baines, the sexy beauty she was twenty years ago in order to get revenge on her soon-to-be-ex husband.