Monsignor Frank Maniscalco, head of communications for the U.S. Conference of Bishops, says the documentary aims to set the public straight on what he says are the novel's many mistruths.

NPR: Religious Groups Respond to 'Da Vinci' Movie Release

Vaughn chose four Comedy Store performers Ahmed Ahmed, John Caparulo, Bret Ernst, and Sebastian Maniscalco whose regular-guy acts proved to have an easy appeal to audiences in thirty U.S. cities, including Bakersfield (where Vaughn pays tribute to Buck Owen), Las Vegas, El Paso, Nashville, and South Bend.

NEWYORKER: Vince Vaughn's Wild West Comedy Show

Monsignor FRANK MANISCALCO (Head of Communications, U.S. Conference of Bishops): We can see in The Da Vinci Code much that simply misinterprets the origins of Christianity and takes, say, for example, second and third century writings by people who are not really in synch with the Christianity, the New Testament, and puts them on the same level as the Gospels of Matthew, Mark, Luke, and John.

NPR: Religious Groups Respond to 'Da Vinci' Movie Release