War of the Coprophages featured insect-like robots designed by roboticist and author Rodney Brooks. Morgan was also inspired by Orson Welles's 1938 radio broadcast of H.G. Wells's book "The War of the Worlds" (which had caused mass hysteria), with the episode's title being a direct reference to the novel (with the last part of the episode's title, "coprophages", referring to a dung eater). The town featured in this episode also takes place in—Miller's Grove—is a play on Grover's Mill, the setting of Orson Welles's 1938 radio adaptation. Originally, a scene featuring the sheriff discussing a noted case of hysteria from the 1930s was planned
Orson Welles after the success of the "Harry Lime" radio show. Harry Alan Towers offered Welles another series, "The Black Museum", which ran for 52 weeks with Welles as host and narrator. Director Herbert Wilcox offered Welles the part of the murdered victim in "Trent's Last Case", based on the novel by E. C. Bentley. In 1953, the BBC hired Welles to read an hour of selections from Walt Whitman's epic poem "Song of Myself". Towers hired Welles again, to play Professor Moriarty in the radio series, "The Adventures of Sherlock Holmes", starring John Gielgud and Ralph Richardson. Welles briefly returned to