Star Trek: The Next Generation: 1x12
Datalore
Stardate: 41242.4. The crew of the Enterprise find android parts that are identical to Data’s while they are exploring his homeworld. When assembled, an ‘evil’ twin of Data is created and named ‘Lore’.
1 - 1Encounter at Farpoint Sep. 28, 1987
1 - 2The Naked Now Oct. 05, 1987
1 - 3Code of Honor Oct. 12, 1987
1 - 4The Last Outpost Oct. 19, 1987
1 - 5Where No One Has Gone Before Oct. 26, 1987
1 - 6Lonely Among Us Nov. 02, 1987
1 - 7Justice Nov. 09, 1987
1 - 8The Battle Nov. 16, 1987
1 - 9Hide and Q Nov. 23, 1987
1 - 10Haven Nov. 30, 1987
1 - 11The Big Goodbye Jan. 11, 1988
1 - 12Datalore Jan. 18, 1988
1 - 13Angel One Jan. 25, 1988
1 - 1411001001 Feb. 01, 1988
1 - 15Too Short a Season Feb. 08, 1988
1 - 16When the Bough Breaks Feb. 15, 1988
1 - 17Home Soil Feb. 22, 1988
1 - 18Coming of Age Mar. 14, 1988
1 - 19Heart of Glory Mar. 21, 1988
1 - 20The Arsenal of Freedom Apr. 11, 1988
1 - 21Symbiosis Apr. 18, 1988
1 - 22Skin of Evil Apr. 25, 1988
1 - 23We'll Always Have Paris May. 02, 1988
1 - 24Conspiracy May. 09, 1988
1 - 25The Neutral Zone May. 16, 1988