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.
Eddie and Waldo share an apartment; Steve tries to be a son to Carl.
Steve tries to help his homeless friend and gets trapped in the school's bomb shelter.
A cool fraternity tells Eddie to lose Steve as a friend.
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).
On the golf course, Steve accuses Carl of kissing up to his boss; Laura misses her curfew.
Steve asks Carl to help him pass a swimming test; Rachel tries to return a dress.
Steve and Myra run into trouble when they pull over to park; Carl thinks he is a lousy lover.
Carl and Steve find themselves flying alone when their pilot bails out on them.
Richie brings home a homeless person on Christmas.
Steve and Eddie eat Waldo's final exam; Carl has some news about his boss' girlfriend.
When the school bully is diagnosed with leukemia, Steve organizes a bone marrow drive.
The transformation machine turns Urkel into a karate expert to fight bullies.
After she is robbed, Laura considers arming herself, but instead she organizes a gun turn-in program.
Carl and Steve find themselves balanced on a church tower while trying to rescue Mr. Looney.
Steve accidentally transforms himself into Elvis; Carl and Harriette are appointed marriage counselors.
Laura and Myra fight over Steve; Richie's class visits Carl at the precinct.
After Steve is threatened, Carl acts as his bodyguard; Eddie is hit on by his boss' daughter.
Steve tags along on Laura's cheerleading trip to Omaha, Nebraska; Harriette and Carl look forward to a weekend alone.
The Winslows see a counselor to discuss the family's tension and hostility.
Steve travels to Walt Disney World to participate in an inventors contest.
Steve, in his alter ego, must tell Myra that he plans to marry Laura; Eddie and Waldo are lost.
Steve and Carl face off in a dance contest; Laura dates Waldo's friend.
Urkel causes more problems when he moves in with Eddie and Waldo.
