Mike persuades Jason and Maggie to let Luke stay with them temporarily; then Jason's wine cellar goes missing.
Wade and Alex pose for a portrait, but his secret mars the session; Hank and model Teddy work well together; Mitch asks Frankie for monetary help.
The girls participate in a murder mystery weekend and Dorothy has a ball when she solves a mystery. However, when Blanche is accused committing a real murder, Dorothy will have to use all her keen detective skills to find the real murderer.
Delia holds a seance and summons Lydia's favourite (deceased) actor, Boris To Death. Although Lydia is thrilled by the visit, BJ is less than ecstatic. But when Boris reveals his evil plan to kick the Deetzes out of their home, Lydia has to change her opinion, and quick.
Michaelangelo and the other Turtles go topside in an effort to find the latest issue of "The Adventures of Bugman", only to learn that the comic book has been canceled.
Attempting to de-mutate the Turtles, Krang sends Shredder, Rocksteady and Bebop to the Earth's surface to retrieve Compound X-7.
Darkwing Duck has been zapped with Megavolt's tronsplitter, seperating his good side from his bad. Another zap with the two sides will restore him to normal, but his negative side is certain not to let that happen.
Mario and company visit King Koopa, Big Mouth and Kootie Pie's circus, where they discover the audience is going to become some hungry dinosaurs' next meal.
Doc and the boys travel back to prehistoric times to test a new invention and Doc stops a meteor from colliding with Earth. They don't realize they changed history until they return home and find a civilization where dinosaurs rule!
Beetlejuice's sophisticated skeleton escapes from his skin and runs off. Lydia, Jacques, and BJ's skin must recapture Beetlebones--before the Skeleton Crew does.
Larry and Balki are driving to Lake Whitefish where Larry and Jennifer are getting married and they are pulled over for going too slow, but they are arrested when Larry backs into the patrol car, then they are picked out of a line-up when Larry is identified as a robber. Larry and Jennifer end up getting married in jail until the real robber confessed.
Al is in the dumps after being dumped by a boy, so who's to undump her but lovable Steve Urkel.
Gosalyn would rather be anywhere than camping, but Drake has decided it's time to hit the trail for a little father/daughter togetherness.
Urkel's future hangs in the balance during a rope-climbing contest pitting brains against brawn to win Laura's affections.
After breaking one of Tim's tools that has been in the family for twenty years, Mark fears that he will be traded in after Brad and Randy make up a story about ""Peter"", their former brother that was traded in after he broke one of Tim's flashlights.
Dylan cannot stand the fact that his free-spirited mother, Iris, has moved in with him. He begins drinking, skips school, and spends all of his time at a pool hall. Brenda resents Iris for abandoning Dylan as a child, and for trying to step in and control his every move. Cindy, however, forms a bond with Iris and joins her for a number of new-age experiences. Brandon tries to watch over Dylan, who loses a lot of money in a pool game and is beaten when he can't pay off the debt. Although she wants to be a part of her son's life, Iris realizes that her presence is only hurting Dylan. She decides to return to Hawaii, and sets up a trust fund for Dylan with money Jack had once paid her to stay away. Brandon takes Dylan to an AA meeting. After Donna displays a knack for picking stocks in an economics assignment, Steve talks her into investing in the market with him. Music: ""Mother-in-Law"" by Ernie K-Doe (#1, 1961); ""Born Under a Bad Sign"" by Albert King
Dwayne gives his calculus class a graded quiz on the first day of the year, even though he hasn't taught them anything yet. He plans to give a test every day, and asks the students to sign contracts promising to work extra hours every week. Lena tears up her contract and leads a walk-out. Col. Taylor warns Dwayne that he will be fired unless he comes to a compromise with the students. Dwayne agrees to set more reasonable standards. He explains that he will hold high expectations because he wants the class to accomplish great things. Ron attends the funeral of a professor he didn't know in order to buy Washington Bullets season tickets from the widow. Dwayne infuriates Whitley by cutting into his share of their joint account for a ticket. Col. Taylor advises Jaleesa to set up her new temp agency at the house. Freddie asks for a job, but has trouble finding anything that meets her moral standards.
Lisa's essay wins the Simpsons a trip to Washington, D.C., where her faith in democracy is shaken by her unethical Congressman.