17th Annual Del Close Marathon

Take your improv-comedy obsession to new heights, as Upright Citizens Brigade hosts this 56-hour-long marathon dedicated to Del Close, the grandfather of long-form improv. This year's lineup of over 600 shows includes performances by Bobby Moynihan, Ellie Kemper, Mike Birbiglia, Sasheer Zamata, Nick Kroll and the original UCB4: Amy Poehler, Matt Walsh, Ian Roberts and Matt Besser.