Urkel's new Total Recall Machine malfunctions, leaving him with an uncanny ability to read minds; and Carl gets roped into serving as leader of the boys' Junior Woodsmen troop.

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.