Josh dives in to explore underwater mysteries with Shawshank Redemption's Tim Robbins, Titanic's Billy Zane and The Perfect Storm's William Fichtner. Josh suits up to dive a shipwreck off the California coast.

Josh hosts like a boss as he chats with TV and movie mobsters including Goodfella's Paul Sorvino, Sopranos' stars Michael Imperioli and Steve Schirripa, as well as Men In Black's Vincent D'Onofrio. Josh goes on the lam to Las Vegas' mobster museum.