To celebrate, stars Josh Radnor, Alyson Hannigan and Neil Patrick Harris, as well as series co-creator Craig Thomas, spoke with PEOPLE about the "special" episode that started it all "You never know ...
Alyson Hannigan occupies an interesting place in pop culture. She's been part of several well-known franchises, from nerdy high schooler Willow in "Buffy the Vampire Slayer" to the deeply emotional ...
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