Light the Night Bar Crawl: Shirlington Village is hosting a bar crawl from 3 to 7 p.m. Saturday for $10, and proceeds from the entry fees will benefit the Leukemia & Lymphoma Society. Food and drink specials will be offered at each of the four stops: Capitol City Brewing Co., Ping, Samuel Beckett's and the Bungalow Sports Grill. More info here.
Fall Vegetable Gardening: The Virginia Cooperative Extension and Master Gardeners of Northern Virginia are holding a workshop at 9:30 a.m. Saturday at the Fairlington Community Center, 3308 S. Stafford St., that will teach you how to spend a few minutes now in order to reap benefits in September, October and November. The free training covers everything from late-season vegetables to preparing garden tools for winter storage.
Summer Safari in Donaldson Run: Dress to get wet! Join a naturalist at Potomac Overlook Regional Park, 2845 Marcey Road, Arlington, to explore the Donaldson Run — searching under rocks, leaves and logs for crayfish, insects and fish, according to the event listing.
Movies on the Lawn: Bring a lawn chair or a blanket to Cherrydale United Methodist Church on Friday for Movies on the Lawn. This week's film is "Finding Nemo." The show starts at dusk — about 8 p.m. The church is at 3701 Lorcom Lane.
Truckeroo: Hosted by Georgetown Events, this monthly summer food truck festival runs from 11 a.m. to 11 p.m. Friday at Half and M St. SE in Washington. The event, which is free to attend, will feature more than 20 food trucks, live music all day, drinks and games.