See 'Don't Think Twice' Improv Outtakes Featuring Mike Birbiglia And Keegan-Michael Key

If you’ve seen “Don’t Think Twice ,” you know the first half is a laugh riot while the second half morphs into a surprisingly bittersweet take on growing up and navigating life’s changes. If you haven’t seen “Don’t Think Twice,” you know nothing. Fix that.

The Huffington Post has an exclusive montage of two deleted scenes from Mike Birbiglia’s film , which depicts a tight-knit New York improv troupe forced to figure out their future when one member gets cast on a “Saturday Night Live ” analog. The clip features separate improv bits involving the troupe’s six performers, played by Birbiglia, Gillian Jacobs, Keegan-Michael Key, Tami Sagher, Chris Gethard and Kate Micucci. Watch below.

“Don’t Think Twice” hits home release Dec. 6.