On his 18th birthday, Alex defies his mother and goes off with some of his buddies to celebrate at an out-of-town niteclub, and to his dismay, the irate Elyse shows up and confronts him.

The Keaton family fills in his girlfriend, Ellen, on some of the more humorous events in Alex's life before they met in this special one-hour episode. Flashbacks to previous episodes include some highlights from the series' past shows. Alex and Ellen celebrate their six-month anniversary as boyfriend and girlfriend, and the family think it's time for Ellen to know the truth about Alex.