George Clooney returns to TV! Check out Clooney’s return as Dr. Doug Ross on the March 12 episode of ER.

Look for Julianna Margulies and George Clooney to reunite, as well as Susan Sarandon guest starring on the March 12 episode.

ER’s executive producer John Wells said of Clooney’s return as Dr. Doug Ross: “If you’re a fan of ER, you won’t want to miss this one.”

ER’s series finale will air April 2.

Check out some of George Clooney’s ER bloopers in the video clip above.