'Castle' Episode 6.20 Photos: The Gang Dons Retro Duds to Flashback to the '70s

"That 70's Show" - When construction workers find the body of an infamous New York mobster who disappeared in the 70's, Beckett and Castle try to solve this three decade-old Mafia hit. Unfortunately, their only witness is a man who thinks it's still the 1970's, so to uncover what he knows, they must play into his delusion, and party like it's the last days of disco, on Castle, Monday, April 21 (10:01-11:00 p.m., ET) on ABC.
By Michelle Carlbert

Talk About 'Castle' Episode 6.20 Photos: The Gang Dons Retro Duds to Flashback to the '70s

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