Picks and Pans Review: Paging Dr. Ross! George Clooney's Greatest ER Moments

updated 03/16/2009 AT 01:00 AM EDT

originally published 03/16/2009 AT 01:00 AM EDT

>• Can it really be 10 years since Dr. Ross—hospital Romeo and bad boy—left ER? As Clooney returns to the NBC drama March 12, three weeks before ER ends for good, here's why we'll never forget TV's sexiest doctor.

"THE BIRTHDAY PARTY," SEASON 1 (1995): When a kid hurt in a fall turns out to have a bootprint in her back, Dr. Ross erupts and tries to pummel her abusive father.

"WELCOME BACK CARTER," SEASON 2 (1995): Great Caesar! In the season opener, Dr. Ross sports a sleek new cut. An iconic, trendsetting style moment for Clooney.

"HELL AND HIGH WATER," SEASON 2 (1995): During a storm, Dr. Ross saves a boy trapped in a culvert. Watch as he defies flood waters, smashes windows and more!

"FATHERS AND SONS," SEASON 4 (1997): Dr. Ross's strained, sad relationship with his dad ends tragically. Dr. Greene (Anthony Edwards) helps him confront the old man's death.

"SUCH SWEET SORROW," SEASON 6 (2000): Clooney cameo! One season after Dr. Ross left ER, soulmate Carol Hathaway (Julianna Margulies) joins him in Seattle.

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