Shades of Gray
Show: Star Trek: The Next Generation --> Season: 2 - Season 2
AirDate: 7/17/1989
Runtime: 46
Voting: 3.6 (43)

Overview: Stardate: 42976.1. Riker is infected with an alien organism that takes over his mind. Dr. Pulaski must force Riker's mind back to a state where it can access primitive survival skills.
Colm Meaney
Miles O'Brien