Sign up at 8 p.m., show at 8:30 p.m., The Sidebar, 218 E. Lexington St., (410) 659-4130, sidebarbaltimore.com, $10.
Okay, so you fell on your ass at trapeze class. At least you still have your sharp sense of humor. Try instead the adrenaline thrill of stand-up, with Dark Mark Joyner as ringmaster. Every Monday, the local comedian hosts an open mic for all those eager to test new jokes and open themselves up to scrutiny from strangers.