Season 2, Episode 21 Memory Lane

First Aired: May 8, 2002

News of Dennis and Carol's new living situation has Ed scrambling to find the perfect way to revisit the past and win her back. Meanwhile, Dennis decides to run for senior-class president after getting a look at the offensive front runner; and Warren embarks on his first real date with Diane, only to find that the feelings they have aren't exactly romantic. Diane: Ginnifer Goodwin. Mark: Michael R. Genadry. Dennis: John Slattery.