Comedians descend on San Francisco for third annual Clusterfest

SAN FRANCISCO (KGO) -- Comedians have descended on San Francisco for the third annual Clusterfest.

The three-day comedy and music festival is indoors and outdoors, at Civic Center Plaza and Bill Graham Civic Auditorium.

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Headliners include Amy Poehler, John Mulaney, and Patton Oswalt.

Festivalgoers can also immerse themselves in sets from television shows like "The Office" and "Seinfeld."

More details, including the full lineups, can be found here