Laura doesn't want Stefan to change anything about himself for her, while Urkel - as his nerdy self - is a 10 in Myra's eyes. Meanwhile, hoping to improve his vision, Carl steps into Urkel's transformation chamber.

After a vengeful Myra tampers with Urkel's transformation chamber, Carl steps into it and steps out as an Urkel-like nerd.

College man Eddie moves into an apartment with Waldo and promptly plans a hot night with two female guests which inflames Waldo's steady, Maxine.

A homeless janitor gets trapped in the school bomb shelter with Urkel and Carl.

His friendship with Urkel damages Eddie's reputation with a group of ultra cool fraternity brothers.

On a dark and stormy Halloween night Winslows play Pass the Ghost Story, in which Carl and Harriette are 19th-century vampires licking their chops over the wayfaring Sir Steven (Urkel).

Duffer Carl is reluctant to stand up to his cheating boss during a round of golf, but Harriette isn't reluctant to go looking for Laura when she misses her curfew.

It's no secret that Urkel is deathly afraid of the water and his heart sinks when he learns that he can't graduate from high school unless he can pass a pass a swimming test, so he asks Carl for lessons.

Urkel's life flashes before him atop Paradise Bluff, where Myra hands him an ultimatum; and Harriette rates her mate and finds Carl needs to spice up his technique - at barbecuing.

Carl and Urkel must land a plane after their vengeful pilot bails out on a charter flight to Detroit, leaving the m with only their emotional baggage.

Richie brings home a homeless person on Christmas.

Carl loses points with Capt. Savage by telling him the truth about the woman he loves; and Eddie and Urkel cook up a lie about Waldo's midterm baking project, which they devoured.

Urkel sets an example of forgiveness after getting harassed by a gang of ruffians at school - when he discovers the ringleader has leukemia, he organizes a bone marrow drive; and a police-auction bargain overshadows Carl's good judgment.

The transformation machine turns Urkel into a karate master who defends Laura's honor at a rough longshoreman's bar; Waldo becomes Carl's substitute son when Eddie starts taking his father for granted.

Gritty episode in the style of NYPD Blue, where Laura is robbed by female gang members and considers purchasing a gun to ward off future trouble.

Urkel and Carl risk their lives to save the distraught Mr. Looney from committing suicide when he is jilted on his wedding day; meanwhile at home, Laura fumes when her parents are more protective of her than of Eddie.

Another transformation-chamber mishap turns Urkel into a gyrating Elvis with a hunka hunka lot of explaining to do during a meeting with an MIT recruiter (Kline).

Suspicions mount for Myra as Urkel and Laura put their heads together to plan a surprise birthday party for her. Meanwhile across town, Richie hopes to impress his classmates on a field trip to Carl's office at the police station.

After failing to foil a robbery, Carl is assigned to protect Urkel, who stopped the thief; the boss's daughter comes on to Eddie.

Carl and Harriette send Laura off unchaperoned to cheerleading championships in Omaha where Laura's handsome partner Gary looks a lot like trouble in Urkel's spying eyes.

A therapist helps the Winslows get to the root of their tensions by reflecting on life with Urkel.

As a finalist in a contest, Urkel invites the Winslows on his trip to Disney World, where Laura has a fantasy romance---with Stefan Urquelle.

Myra rushes to Disney World, fearing something is amiss with Urkel. And it's no Mickey Mouse worry: he's proposed to Laura by the time Myra arrives.

At a dance marathon, Laura cuts a rug with Waldo's cousin, and Carl and Urkel boogie till the sun comes up.

To avoid being banished to Russia (where his parents are moving), Urkel--and his termites--move in with Eddie and Waldo.