host & co-writer, Josh Bernstein ; series producer, Brendan Goeckel ; directed, produced & written by Eric Hoffman ; produced by JWM Productions, LLC for the History Channel
produced and directed by Monte Markham and Adam Friedman ; written by Lori Nelson and Lee Fulkerson ; a Perpetual Motion Films production ; a presentation of Non Fiction Films Inc. in association with A&E Network
produced and written by Gregory Henry ; directed by Peter Schnall, Gregory Henry, David Shadrack Smith ; series producer, Stephen Stept ; produced by Partisan Pictures for the History Channel
Associated Producers presents ; a Halpern/Jacobovici production ; written and directed by Simcha Jacobovici ; co-directed by Stuart Samuels ; produced by Elliott Halpern, Simcha Jacobovici ; produced by Associated Producers in association with the Canadian Broadcasting Corporation, A&E Network, Channel 4 Television Corporation, ZDF/Arte and ZDF Enterprises