Star Trek: The Next Generation - Season 7 Episode 16 Thine Own Self New Stars. New Stories. New Worlds To Explore.
Overview: Stardate: 47611.2. Data find himself mysteriously stranded on a planet with no recollection of who he is or how he arrived there. Soon he is accused of spreading a plague among the inhabitants. Troi takes the bridge officer's test in an attempt to gain the rank of Commander.