Castle (2009)
S06E20 That '70s Show
Episode Overview
When construction workers discover the remains of a notorious New York mobster who vanished in the seventies, Beckett and Castle set out to unravel this decades-old mob execution. Their sole witness, however, is a man stuck in the past, believing it’s still the 1970s. To extract vital information from him, they have to immerse themselves in his delusion, embracing the vibrant atmosphere of disco and revelry.