Yvonne Arias

J.D. is annoyed that Julie doesn't laugh, so Elliot encourages J.D. to tell her his feelings and Turk tries to use psychology to fix the issue.

J.D. experiences a feeling of déjà vu; Dr. Cox returns to work, but Elliot believes he has lost his confidence; Carla is fed up with Turk as he can do lots of things hat she can't now that she is pregnant.

Weaver encounters an evasive patient, Helen Kingsley (Frances Fisher - "Titanic," "House of Sand and Fog"), who shocks her by revealing that she is her birth mother, who at the age of 15 delivered Weaver and put her up for adoption. As they share life stories, their budding relationship withers when Weaver confesses to the evangelical Christian that she's a lesbian. Meanwhile, Pratt warily assigns Jane (recurring guest star Sara Gilbert - "Roseanne") to attend to a confused elderly woman, while Carter causes a commotion when he confronts a scheming couple hoping to get some painkilling drugs.

On New Year's Eve, Shelly breaks the girls' no dates pact by bringing a new romantic interest to the Z Lounge party. The rest of the gang share stories of past New Year's Eve date debacles including J.T.'s evening with the delusional Diana (MISTY MAY) who thinks she's a superhero. While Donovan and Rita reminisce about Shannon (JILLIAN BARBERIE - Good Day L.A.) and Jackson (PERRY KING - The Day After Tomorrow) Shelly's perfect evening takes its own surprising turn just before the final countdown to midnight. Recurring guest star PHIL LaMARR (MADtv) appears as Eve's hairstylist Coleman.