How I Met Your Mother Season Finale Mystery: Is Happy Endings' Casey Wilson You-Know-Who?!
How I Met Your Mother has landed a simply a-mah-zing guest star.
Happy Endings‘ Casey Wilson has signed on to appear in the CBS comedy’s May 13 season finale, TVLine has confirmed.
According to Vulture, which first broke the news, Wilson and Key and Peele‘s Keegan-Michael Key will play a couple having dinner at the same restaurant as bride and groom-to-be Robin and Barney.
What does it mean? Could Wilson be The One? Is this much ado about nothing beyond a fun one-off appearance? Theories below, please!Follow @MichaelAusiello