Following the season finale
of Grey's Anatomy
, and the gossip that dominated the series all year long, the buzz was that either T.R. Knight or Katherine Heigl, or both, would be leaving the show at the conclusion of the drama's fifth year.
Well, it now appears that T.R.'s George O'Malley will move on into the light after his tragic bus accident, while Katherine's Izzie Stevens will beat brain cancer.
Knight is leaving the show for