In which John asks Ansel Elgort (who plays Augustus Waters) and Mike Birbiglia (who plays Patrick) some real questions from real nerdfighters while on the set of The Fault in Our Stars movie. Also: Enjoy the cutest how-I-found-out-I-got-the-part story ever from Ansel.

Mike on twitter:   / birbigs  
Ansel on twitter:   / anselelgort