Asssscat is a 15-year-old tradition at the Upright Citizens Brigade Theatre. The long-form improv show features celebrity guests and improv veterans creating a totally made-up show that will never be seen again. Fans wait in long lines to get into the free show and catch a glimpse of which celebs will show up.
In this mini documentary Amy Poehler and other comedians talk about behind the scenes at this storied spectacle.
ALSO ON HUFFPOST:
HuffPost Entertainment is your one-stop shop for celebrity news, hilarious late-night bits, industry and awards coverage and more — sent right to your inbox six days a week. Learn more