Harriett S. Miller

The new Dr. Clock arrives with her spaced out personality and doesn't cease to call J.D. "Johnny." But J.D. is fine with it, because there is nothing that is going to bring down his last week of being a resident before he officially becomes a full fledged doctor.

Halloween night becomes an unexpected turning point for Lindsay and Sam.

A simple night out turns into a nightmare when Jerry meets Elaine at the opera -- unaware that her new boyfriend is "Crazy Joe Davola," the maniac who's been stalking him and vowing revenge for some imagined slight.

Jason's father, Floyd (LAWRENCE PRESSMAN - "American Pie" movies), sues Jason and Richard for taking his clients. Floyd also reveals that Jason and Lorelai have been dating secretly for months. Meanwhile, Dean (former series star JARED PADALECKI) upsets Rory when he admits he has dropped out of college to work full time so he and his wife, Lindsay (recurring guest star ARIELLE KEBBEL), can buy a townhouse. Lindsay demands that Dean stop associating with Rory, but Dean and Rory plan to secretly remain in contact.

Ben defends a man accused of murdering his business partner during a fight about hiring an arsonist to burn down their failing store.