Casey's jealousy over Dana and Gordon leaves him kicking fire hydrants and hearing phantom flies. Dan faces repercussions from the network for his birthday present to Casey.

A distracted Natalie keeps forgetting things, while Jeremy tries to shield her from her hate mail.

Jeremy writes a letter to his sister Louise, flashing back over the day's events, including Dan's problems with writer's block and Isaac's problems with his daughter's new boyfriend.

Dan decides that it's time Casey started dating again, so long as he stays away from Sally Sasser. Isaac fears for his job.

Gordon invites Dana to go snorkeling, and Dan begs Jeremy to talk him up to Rebecca.

Gordon stands Dana up, and Casey's missing his favorite shirt.

When Dana and Gordon get engaged, Casey has no plan and Dan's compelled to reveal a secret.

Casey's son comes to visit, and Dana takes a group photo with her new camera. Season One Finale.