In which John asks Ansel Elgort (who plays Augustus Waters) and Mike Birbiglia (who plays Patrick) some real 问题 from real nerdfighters while on the set of The Fault in Our Stars movie.

In which John Green and Nat Wolff sneak off The Fault in Our Stars film set to answer some of your 问题 in the woods. Nothing creepy about it.

[Credit: vlogbrothers] "In which John checks in from the set of the TFIOS movie. Look behind the scenes at all the hardworking people who are making this movie a real thing in the world."

[Credit: vlogbrothers] "In which John returns to the set of The Fault in Our Stars movie, hanging out with Shailene Woodley (Hazel), Ansel Elgort (Gus), Nat Wolff (Isaac), Deb Who Does The Slate Thing, and many other members of the cast and crew."