‘How I Met Your Mother’ Preview: See Alyson Hannigan and Seth Green Re-United!
'Buffy the Vampire Slayer' and even 'How I Met Your Mother' fans were recently elated to hear that the series would re-unite star Alyson Hannigan with two-time on-screen love interest Seth Green for an upcoming installment of the show's (likely) swan song season. The initial announcement gave a few details of Green's role as a forgotten friend of Marshall and Lily from their college days, but how