Photo by Erik Cox Photography.

FILMING: Audience members are needed for the filming of Open Mic: The Movie, a documentary about underground comedy in the DMV. Solly’s U St Tavern (1942 11th Street NW) 9 p.m.-12 a.m. Free, but reserve your seat here.

LEARNING: Learn the basics of reading, writing and speaking Welsh during tonight’s Knowledge Commons DC class. Petworth Citizen & Reading Room (829 Upshur Street NW) 6:30-8 p.m. Free, but register here.

ANTI-TRAFFICKING The Everyone’s Kids, Everyone Gives campaign hopes to raise $1 million before the end of the day. When you donate $100 to help end child trafficking and slavery, you’ll get entry into tonight’s cocktail reception at Cafe Milano, which will feature a two-hour open bar and passed appetizers. Café Milano The Wine Room (3251 Prospect Street NW) 6-8 p.m. $100

CITY PLANNING: The unofficial expansion to Cards Against Humanity, Cards Against Urbanity, is now raising money on Kickstarter. At the official launch party, you can answer questions like, “My city’s latest economic plan includes____.” Think you can come up with better questions (or awesome answers) for the cards? Help GreaterPlaces and DoTank DC create new cards. Snacks will be provided, but you can also take advantage of half-price burger night. Spider Kelly’s (3181 Wilson Boulevard, Arlington, Va.) 6-7:30 p.m. Free.