Descent, Pt. 2
S7, E1: Picard, Troi, and Geordi are held prisoner by Data, who has left the Enterprise to join his evil brother Lore as leaders of the Borg.

S7, E1: Picard, Troi, and Geordi are held prisoner by Data, who has left the Enterprise to join his evil brother Lore as leaders of the Borg.