Photo by WilliamMarlow.

MOVIE: While most of this year’s outdoor film festivals concluded last month, the U Street Movie Series at Harrison Field (V Street NW between 13th and 14th Streets) continues through October. Tonight, weather permitting, gather under the stars to see the short film Big Birding Day, about an epic 24-hour bird watching attempt, followed by Bag It, a documentary about a man’s choice to stop using plastic bags, and how it changes his life. If organizers decide to cancel due to rain (check their Facebook page for updates), the movie will be shown on Thursday, September 22. Gates 7 p.m., movie at sundown. Free.

>> For one night only, AFI Silver Theatre (8633 Colesville Road, Silver Spring) presents Pearl Jam Twenty, a documentary about the band from formation, to celebrity, to aftermath. The 7:15 p.m. show has sold out, but there are still tickets available for the 9:45 p.m. show. $11.

TALK: NPR’s Diane Rehm moderates the panel talk A Voter’s Primer: Presidential Politics and the Constitution, which examines† how presidential campaigns “use (and mis-use) the Constitution,” at the National Archives William G. McGowan Theater (700 Pennsylvania Avenue NW) Tuesday. 7-9 p.m. Free.

>> You, Me, Them, Everybody Live! comes to Hosteling International (1009 11th Street NW) with guest Evan Keeling of DC Conspiracy, standup comedian Haywood Turnipseed Jr. and band Ugly Purple Sweater. 8 p.m. Free.

BEER: Bring a glass bottle to be recycled, and you’ll receive New Belgium beer at happy hour prices all night at the Reef Sustainability Party at The Reef (2446 18th Street NW). Representatives from New Belgium will also be giving away glasses and t-shirts hroughout the night. DC Beer has reports on this event as well as a bunch of other New Belgium events going on this week. 5 p.m.

FOOD & DRINK: Did you know that today is National Punch Day? Before you hurt someone, that’s punch as in the drink, not the physical abuse. Kimpton’s Bar Rouge (1315 16th Street NW) celebrates by offering glasses of Rouge Punch with the purchase of a small plate. 5 p.m.-close.

FESTIVAL: ZestFest begins today with an official kick-off party, music by Nila Kay and drinks from Honest Tea, at Union Center Plaza (810-840 First Street NE). Check out the full schedule of music, art and cultural events that run through September 30th. 4:30-6:00 p.m. Free.