Doug Ross and Carol Hathaway were endgame before endgame was a thing.
When Clooney left the show in 1999, Margulies still had a year on her contract.
And in Margulies' final season, Carol gave birth to the couple’s twins.

Credit: NBC
The rest of the cast didn’t know.
[Anthony] Edwards didn’t know.
But that was only the beginning of the secret-keeping.
When the plane landed back in Los Angeles, Wells took the film home with him.
“We didn’t tell NBC.
It was never in any scripts.
They knew nothing about it.
The cast had a similar experience.
“I was in Italy and I started getting calls,” Clooney remembers.
“People were going batsh over the idea that we’d pulled it off.
Then I started getting calls from Noah Wyle going, ‘Are you fing kidding me?’
Eriq La Salle was like, ‘You could’ve told me!’
I don’t know how you do it now.”