The D.C. Arts Center, located at 2438 18th Street, will hold a Laugh Index Theatre Comedy Show on Sept. 9 at 7:30 p.m. Nonmember tickets are $5 online before 5 p.m. the day of the show, and $10 at the door. Cash will only be accepted at door. To purchase tickets online, visit http://laughindextheatre.com. The center will also feature Naked Girls Reading Presents: Comedy Undressed on Sept. 11 at 10 p.m. Tickets cost $25 at the door and $20 for DCAC Members and Presale. To purchase tickets, visit brownpapertickets.com/event/2162993.