In the first half of this special two-part episode, Myra spies on Urkel's every move with her elaborate ""Stevie-Glasses-cam"". She is shocked to learn of his upcoming Saturday night date with Laura. When she tells Stefan about her rival's pending date with ""her Stevie,"" Stefan agrees to help rain on their parade. Meanwhile, Carl tries to control Eddie's trigger-happy finger during police training. Judyann Elder takes over the role of Harriette.

Urkel is shocked to discover that Myra has been spying on him, but he thinks she's really snapped her cap when she starts dressing like Laura. Meanwhile, Harriette discovers that her wedding ring was originally intended for another woman.

Cousin Myrtle dukes it out in the boxing ring with Greta to win Eddie for her own. Meanwhile, 3J longs to find his birth mother.

Laura's not impressed by Maxine's rich new boyfriend D'Andre.

Myrtle Urkel tries for the last time to get Eddie. This time, Laura and Maxine give her a complete and total makeover. Myrtle comes out looking terrific, but Eddie still does not like her. So she decides to stop chasing him.

Urkel asks Carl for Laura's hand in marriage, but Stefan has already given Laura a ring.

The first of a two-part series finale sends Urkel into space, which means he'll have to postpone his marriage to Laura.

In the conclusion of the series finale, astro-nerd Urkel's life hangs in the balance when he takes a dangerous walk in space to patch the damaged spacecraft.