Art met fiction on Two and a Half Men Season 11 Episode 19... in the form of Mila Kunis!
On the latest installment of this CBS sitcom, Walden reconnected with Kate and was positive she was The One. Until he met a wild gal named Vivian, that is.
And Vivian was played by Ashton Kutcher's real-life fiancee. Pretty cool, huh?
Elsewhere, Alan and Gretchen grew closer a lot closer.
Relive all the laughs, or see them for the first time, when you watch Two and a Half Men online now: