This episode served as the pilot for the series Run for Your Life (1965), which ran on NBC from 1965 to 1968.
Michael Rennie (Robert Thurston) quotes a line he believed was uttered by the Beatles, "maybe Ringo." A decade later, the album cover of Ringo Starr's 1974 LP "Goodnight, Vienna" featured a still from Rennie's classic sci-fi film The Day the Earth Stood Still (1951) with Ringo's head replacing Rennie's as the alien Klaatu.