In the series finale of CBS’ How I Met Your Mother, the titular mom is revealed to be:
a) a MacGuffin
b) a red herring
c) the Yellow [Umbrella] King
d) a nice, limpid-eyed dead lady
e) a burlap sack full of hissing eels
Boy oh boy, did Craig Thomas and Carter Bays ever piss off Twitter last night. The creators of the popular sitcom, which for nine seasons chronicled the romantic foibles of five high-functioning alcoholics, threw fans a bit of an ontological curveball with the one-hour series finale.