Star Trek: The Next Generation: 6x26
Descent
Stardate: 46982.1 – The Borg return to threaten the Federation under the new leadership of Lore. Data experiences a disturbing facet of human emotions – he feels pleasure after killing a Borg drone.
6 - 1Time's Arrow, Part II Sep. 21, 1992
6 - 2Realm of Fear Sep. 28, 1992
6 - 3Man of the People Oct. 05, 1992
6 - 4Relics Oct. 12, 1992
6 - 5Schisms Oct. 19, 1992
6 - 6True Q Oct. 26, 1992
6 - 7Rascals Nov. 02, 1992
6 - 8A Fistful of Datas Nov. 09, 1992
6 - 9The Quality of Life Nov. 16, 1992
6 - 10Chain of Command, Part I Dec. 14, 1992- 6 - 11Chain of Command, Part II Dec. 21, 1992
6 - 12Ship in a Bottle Jan. 25, 1993
6 - 13Aquiel Feb. 01, 1993
6 - 14Face of the Enemy Feb. 08, 1993
6 - 15Tapestry Feb. 15, 1993
6 - 16Birthright, Part I Feb. 22, 1993
6 - 17Birthright, Part II Mar. 01, 1993
6 - 18Starship Mine Mar. 29, 1993
6 - 19Lessons Apr. 05, 1993
6 - 20The Chase Apr. 26, 1993
6 - 21Frame of Mind May. 03, 1993
6 - 22Suspicions May. 10, 1993
6 - 23Rightful Heir May. 17, 1993
6 - 24Second Chances May. 24, 1993
6 - 25Timescape Jun. 14, 1993
6 - 26Descent Jun. 21, 1993