If current server doesn't work please try other servers below.
Season 1 - Sep. 28, 1987
Season 2 - Nov. 21, 1988
Season 3 - Sep. 25, 1989
Season 4 - Sep. 24, 1990
Season 5 - Sep. 23, 1991
Season 6 - Sep. 21, 1992
Season 7 - Sep. 20, 1993
Star Trek: The Next Generation Season 1 Episode 12
HD
Overview:
Stardate: 41242.4. While exploring his homeworld, the crew of the Enterprise find android parts that are identical to Data’s. When assembled, an ‘evil’ twin of Data named Lore is revived.