It’s a secret – but pass it on! The Super Secret Improv Show will perform at 7:30 p.m. Saturday, Dec. 18, at Black Box Theatre, 430 N. Main St. Downtown. Tickets are $10 and only cash will be accepted as payment. Masks and vaccinations are required for all patrons. “The Super Secret Improv Show performs classic short-form improv games such as Actor's Nightmare, and Interrogation as well as a long-form improv game in the form of a La Ronde or an Armando,” according to www.facebook.com/supersecretimprov.