Passage: Stories of a Casablanca remake or sequel nonetheless persist.  In 2008, the Daily Mail reported that Madonna was pursuing a remake set in modern-day Iraq.  In 2012, both The Daily Telegraph and Entertainment Weekly reported on efforts by Cass Warner, granddaughter of Harry Warner and friend of the late Howard Koch, to produce a sequel featuring the search by Rick Blaine and Ilsa Lund's illegitimate son for the whereabouts of his biological father.The novel As Time Goes By, written by Michael Walsh and published in 1998, was authorized by Warner. The novel picks up where the film leaves off, and also tells of Rick's mysterious past in America. The book met with little success. David Thomson provided an unofficial sequel in his 1985 novel Suspects.There have been two short-lived television series based upon Casablanca, both sharing the title. The first, which aired on ABC as part of the wheel series Warner Bros. Presents in hour-long episodes from 1955 to 1956, is a Cold War espionage program set contemporaneously with its production, and starred Charles McGraw as Rick and Marcel Dalio, who played Emil the croupier in the movie, as the police chief. The second series, briefly broadcast on NBC in April 1983, starred David Soul as Rick and was canceled after 3 weeks.There were several radio adaptations of the film. The two best-known were a thirty-minute adaptation on The Screen Guild Theater on April 26, 1943, starring Bogart, Bergman, and Henreid, and an hour-long version on the Lux Radio Theater on January 24, 1944, featuring Alan Ladd as Rick, Hedy Lamarr as Ilsa, and John Loder as Victor Laszlo. Two other thirty-minute adaptations were aired, one on Philip Morris Playhouse on September 3, 1943, and the other on Theater of Romance on December 19, 1944, in which Dooley Wilson reprised his role as Sam.Julius Epstein made two attempts to turn the film into a Broadway musical, in 1951 and 1967, but neither made it to the stage. The original play, Everybody Comes to Rick's, was produced in Newport, Rhode Island,...

Question: How long were the episodes of the Cold War espionage program?
hour-long