On a special “NCIS” and “NCIS: New Orleans” crossover episode, Special Agents McGee and Torres team up with New Orleans Special Agent Dwayne Pride to recover a stolen top secret playbook!

“Extra” was behind the scenes with Scott Bakula, Wilmer Valderrama and Sean Murray. Wilmer revealed “The playbook basically describes scenarios that are viable terrorist attacks against the United States.”

Sean added, “Myself and Agent Torres have been sent to New Orleans in pursuit.”

Catch all the action on the “NCIS” and “NCIS: New Orleans” crossover event tonight on CBS.