Star Trek: The Next Generation: 7x17
Masks
Stardate: 47615.2. The Enterprise is slowly transformed into an ancient alien temple when Data discovers an alien archive full of information about an ancient culture. Shortly after opening the archive, Data becomes possessed with several different personalities.
7 - 1Descent (2) Sep. 20, 1993
7 - 2Liaisons Sep. 27, 1993
7 - 3Interface Oct. 04, 1993
7 - 4Gambit (1) Oct. 11, 1993
7 - 5Gambit (2) Oct. 18, 1993
7 - 6Phantasms Oct. 25, 1993
7 - 7Dark Page Nov. 01, 1993
7 - 8Attached Nov. 08, 1993
7 - 9Force of Nature Nov. 15, 1993
7 - 10Inheritance Nov. 22, 1993
7 - 11Parallels Nov. 29, 1993
7 - 12The Pegasus Jan. 17, 1994
7 - 13Homeward Jan. 17, 1994
7 - 14Sub Rosa Jan. 31, 1994
7 - 15Lower Decks Feb. 07, 1994
7 - 16Thine Own Self Feb. 14, 1994
7 - 17Masks Feb. 21, 1994
7 - 18Eye of the Beholder Feb. 28, 1994
7 - 19Genesis Mar. 21, 1994
7 - 20Journey's End Mar. 28, 1994
7 - 21Firstborn Apr. 25, 1994
7 - 22Bloodlines May. 02, 1994
7 - 23Emergence May. 09, 1994
7 - 24Preemptive Strike May. 16, 1994
7 - 25All Good Things... May. 23, 1994