George Clooney doubts an ER reboot could 'catch lightning again'
"I think you have to leave what was beautiful in the past and move on," said Juliana Margulies during a cast reunion for charity.
Watch ER cast reunion: George Clooney, Julianna Margulies, Noah Wyle, and more scrub back in
It's just what the doctor ordered.
George Clooney, Julianna Margulies, and more ER stars reuniting for Earth Day benefit
Noah Wyle, Anthony Edwards, and Gloria Reuben will be scrubbing in too.