Flora & Ulysses: Alyson Hannigan On Joining Super Hero Movies

What role did Alyson Hannigan play in American Pie? Actress was overjoyed as Taylor Swift mentioned the film in TTPD

Alyson Hannigan recalls being part of 'American Pie'

How I Met Your Mother Star Shares Perfect Reboot Idea With Original Stars

Alyson Hannigan -- 'How I Met Your Mother' Finale Could Have Been Better

Alyson Hannigan Remembers Working on 'How I Met Your Mother' as a 'Montage of Great Memories'