How I Met Your Mother - Season 9 - Josh Radnor interview - best f y

Co-creators Carter Bays and Craig Thomas maintain that they've been clear on the ultimate resolution from the beginning, and it's not a secret they've completely kept to themselves. Radnor, the central player in this puzzle, says he's known part of the finale from the very beginning.

"I was let in on a big thing [in the] first season," Radnor recently told The Hollywood Reporter. "I thought they weren't going to do that, and then they said, 'No, we're still doing that.'"