Austin’s oldest improv theater, The Hideout Theatre and Coffeehouse, celebrated its 20th anniversary Oct. 25. Opened in 1999 by Sean Hill, the theater was purchased by Jessica Arjet, Roy Janik and Kareem Badr in 2009. It offers improv comedy shows and classes and is located at 617 Congress Ave., Austin. 512-443-3688. www.hideouttheatre.com