• He once claimed to make a man laugh so hard his head exploded. Probably not, but it's worth seeing for yourself. A common quote for people leaving Mack's show is, "My face hurts!" Another is, "Where's the restroom?"
7:30 p.m. • The Comedy Catch, 3224 Brainerd Rd.
Wide Open Floor
• Dancers, poets, musicians, professionals, students, seasoned performers, and those stepping out relatively unaccustomed to the stage. Expect surprises. Expect to be challenged. Most of all, expect the unexpected.
8 p.m. • Barking Legs Theater,
1307 Dodds Ave.
• A a star in the making, Pleasant (which is really his last name) has been taking the comedy world by storm, touring coast-to-coast as well as performing USO shows around the world.
10:30 p.m. • Vaudeville Café,
138 Market St.