In Case You Missed It: Baltimore Running Festival photos

'Grey's Anatomy'

Public Transportation DisastersTransportation DisastersExercise PhysiologyJon CryerT.R. Knight
Abruptly departed: Isaiah Washington, center, T.R. Knight and Katherine Heigl Played: Hot-tempered Dr. Preston Burke, mild-mannered Dr. George O'Malley and big-hearted Dr. Izzie Stevens Lasted: Three seasons (2005-2007), five seasons (2005-2009), six seasons (2005-2010), respectively Why they... ABC