More Hollywood hi-jinks are explored in this episode of MythBusters. First up, Adam and Jamie plunge head first into a climactic cinema cliché: to survive a blast by the bad guys, the good guys dive underwater and resurface unscathed. Can a deep dive really save you from imminent annihilation? Kari Byron returns from maternity leave with a vengeance when she, Grant and Tory call for directory assistance. According to on-screen espionage scenarios, lining the inside of a car’s doors with a layer of phonebooks will bulletproof the car. But can you believe everything you see?