T.R. Knight Upcoming Appearances

Dr. Wyatt won t let Meredith give up on therapy; the Chief is adamant about Erica performing a risky surgery on his mentor; Alex learns the truth about Rebecca s condition. Meanwhile, Cristina continues to act contrary to her nature.

A mutilated female body is discovered tied to the undercarriage of a bus carrying prisoners from a women s correctional facility after a severed arm flies out from beneath the vehicle and strikes a car. Catherine leads the investigation.

Cristina returns from her “honeymoon” (with Meredith) and begins looking for Burke. At the hospital, new chief resident Callie welcomes a new batch of interns---including George, who is repeating his intern year.

A female computer whiz is pushed off her balcony and Goren suspects either of two game creators (Jordan Bridges, T.R. Knight), or their former partner (David Wilson Barnes). Jody Colby: Annette Arnold.

In the fourth-season finale, the surgeons work as a team to free a young man from a block of quick-drying cement. Meanwhile, Meredith and Derek have one last chance at a positive outcome in their clinical trial.