Lt. Cmdr. Data and the rest of the crew pay a visit to Data's home planet in the Omicron Theta Star System, hoping to solve the mystery of his origin. Upon arrival, they find the planet deserted and stripped bare, save for a curious collection of body parts. Assembling these various limbs and organs, the crew create an android that looks exactly like Data, and this fabricated twin is very evil. Cowritten by
Gene Roddenberry, Robert Lewin, and Maurice Hurley, "Datalore" first aired January 23, 1988. ~ Hal Erickson, All Movie Guide