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.

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

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 gets bad vibes from Maxine's slick new boyfriend; Carl gets into a funk reflecting on a road not taken.

Myrtle gets a makeover, drops her inhibitions, raises her hemlines and goes after Eddie with a vengeance.

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.