A manufacturer of robots faces a new competitor whose humanoids seem strangely devoted to serving mankind. Based on a story by Jack Williamson, this episode of Dimension X originally aired on Apr. 15, 1950.

Featuring "adventures in time and space told in future tense", Dimension X aired over NBC from Apr. 8, 1950, through Sept. 29, 1951. The series adapted stories by the modern masters of science fiction, including Isaac Asimov, Ray Bradbury, Robert Heinlein, Clifford Simak, Theodore Sturgeon, and many others.