Andre is one of Urkel's classmates who delights in bullying the nerd. But when Urkel learns that Andre is seriously ill with leukemia, the nerd decides to set aside the past and stage a bone marrow drive to save Andre's life.
Eddie decides he has no time to join with Carl in some father-son activities ... but Waldo is more than willing to have fun with Carl. Eddie realizes he is missing out and gets the hint. Meanwhile, Urkel creates another alter-ego - Bruce Lee Urkel - when a gang of ruffians harasses Laura at a longshoreman's bar.
Elvis Urkel is in the transformation chamber! At least that's what happens when Urkel, trying to impress a recruiter from MIT, demonstrates his transformation chamber. He turns into "The King" instead of Albert Einstein-Urkel, scaring the recruiter right out of his blue suede shoes.
Carl is assigned to guide Richie's class on a tour of the police station. The tour isn't going so well, until a robbery suspect gets free and holds one of the children hostage. Carl makes good on his opportunity to diffuse the situation, and impresses the youngsters. Meanwhile, Myra thinks Urkel and Laura are sneaking around together when they keep mum about their whereabouts ... only to learn they were planning a surprise party for her birthday.
Urkel witnesses a robbery and the suspect, aware he has been spotted, threatens the nerd if he reports the crime. Carl offers to be his bodyguard ... a decision he may regret. Meanwhile, Eddie begins dating Greta, whose overbearing father is his boss.
Highlights of the series' first six years - mainly, the Winslows' experiences with Urkel - are featured in this clip show, when Carl, Eddie and Laura visit with a psychiatrist to air their grievances over the nerd. Harriette reminds them that, while Urkel is annoying, he also has helped them many times.
Urkel wins a trip to Disney World, where he and the Winslows demonstrate his transformation chamber. There, the nerd changes into Stefan and proposes to Laura. Eddie decides to go later and gets Waldo to take him ... if only he can read a map.
Urkel's parents announce they are moving to Russia - only, they say so after they've left. Urkel is forced to move in with Eddie and Waldo, but those arrangements are only temporary thanks to the nerd's hungry termites. Carl sees that Urkel now has no place to go and (grudgingly) allows his comic foil to move into his house.
The seventh-season opener, a parody of "Honey, I Shrunk the Kids," sees Urkel's transformation chamber going berzerk. The nerd and flustered foil Carl are shrunk to two inches tall, and as a result must work together to dodge hazards such as rolling fruit and large house cats.
Urkel and Laura accidentally meet in the bathroom, both of them stark naked! The two must deal with their emotions from this embarrassing meeting. Carl, meanwhile, does a favor for a neighbor and keeps hold of a watch (intended as an anniversary gift for the neighbor's wife), but Harriette thinks the gift is for her.
Steve meets a gorgeous bug collector named Agnes Prizker and fantasizes about kissing her, which he does by accident. However, he reminds himself that he's in a relationship with Myra and goes to Laura about it. She encourages him to tell his girlfriend about it. Should he dare tell Myra the truth about what happened? Meanwhile, Carl reluctantly allows Nick Neidermeyer to join in his poker night with his buddies, per Harriette's recommendation. She immediately regrets her decision in letting her selfish boss join in and tells him off. She even goes as far as daring ...
In his teacher's absence, Urkel is asked to be substitute teacher of his English class. The other students take quick advantage of the situation and drive the nerd to the breaking point. Urkel responds by transforming himself into Stefan, who in the alter ego is able to gain control of the class.
Greta lands in hot water with her father when Eddie brings her back after her curfew. When he won't allow her to see him again, Greta decides to buck her father's order by making him think she's dating Urkel (who is actually Eddie's gofer). Meanwhile, Estelle is being audited by the Internal Revenue Service, but Carl's attempts to fix the situation only uncover his own problems with the taxman.
Urkel develops an extreme fear of thunderstorms after he is constantly struck by lightning. Carl helps the nerd work through his fear and determine why he has become a human lightning rod. Meanwhile, Laura and Myra apply for a sales job opening at Ferguson's.
Urkel is in charge of designing the Vanderbilt High's senior class float, but nobody seems interested in a project that, due to the nerd's involvement, will surely be doomed. However, interest slowly grows and the seniors actually get to know - and appreciate - each other's company.
Carl's "bah humbug" attitude puts a damper on Urkel's plans to decorate the house for Christmas ... until the nerd announces that there's a contest for best light display and that there are prizes. Meanwhile, Harriette and Mother Winslow puts their foot down when Eddie and Laura refuse to participate in the family's holiday activities.