Palm Beach Improv Gives First Callers Free Comedy Show Tickets. Palm Beach Improv is giving its customers the chance to score some for free. They’re giving away tickets to its special “420 Friendly Comedy Show” and the “Comedy Cabaret” with Marvin Dixon. On Tuesday, April 20th, the “420-Friendly Comedy Show” packs in comics Ricky Cruz, Adrian Mesa, Oni Perez, Forrest Shaw, John Vargas and host by Greg De Tullio into its special, well, holiday show. The “Comedy Cabaret” with Marvin Dixon takes place on Wednesday, April 21st, seeing the popular comic teaming up with other urban comics for a special twice a month. Free tickets are available for the first 75 callers who call the Palm Beach Improv at 561-833-1812. The Palm Beach Improv has more comics set to bring the funny through the spring. Brad Garrett of “’Til Death” and “Everybody Loves Raymond” headlines on April 23rd thru the 25th. Louie Anderson stops by May 9th, “SNL” star Darrell Hammond joins May 14th thru 17th, and Lavell Crawford takes the stage May 21st to the 23rd.