It's the 20th Anniversary of the wildest prank in game show history. “Hollywood Squares” reboot exec producer Henry Winkler pulls a heavy one on host Tom Bergeron, having hired actors to play dueling contestants who escalate their psychodrama in front of the crew. Celebrity guests Penn & Teller, MC Hammer, and Mario Cantone watch in horror as things melt down!

ALL TIMES ARE PACIFIC

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