'ER': Countdown to the series finale

After 15 seasons and 331 episodes, NBC's beloved medical drama "ER" will say its good-byes this Thursday (April 2). Original cast members have come, gone and come back again, but fans still can't get enough. More »

Human stars weren't the only ones who entered the doors of "ER" over its 15 years. Animals may not have gotten their own director's chair or trailer (except for the horse), but they always stole the scene ... More »

Mark Greene, David Morgenstern and Elizabeth Corday have already made a last trip through the ER this season, and now it's John Carter's turn.

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There's a reason you haven't seen a whole lot of Anthony Edwards since his departure from ER in 2002: He's been busy living his life.

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Mark Greene is still dead, but Anthony Edwards will resurrect the character one last time during the final season of ER.

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