This Is the ER and House Crossover You Never Knew You Needed

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Before George Clooney was an A-list movie star killing it on the red carpet and smashing the box office with hit after hit, he was ER's hottest surgeon: Dr. Doug Ross. In an effort to drum up some nostalgia for the beloved medical drama, Jimmy Kimmel arranged an epic reunion of the show's cast during Clooney's appearance on the talk show on Tuesday night. While sadly no one showed (damn you, Julianna Margulies), Kimmel was able to get a fellow former TV doctor to join in the fun: Hugh Laurie, aka perpetual sourpuss Dr. Gregory House. Check out their hilarious interaction above!