Star Trek: The Next Generation (1987): 2x22
Shades of Gray
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.
2 - 1The Child Nov. 21, 1988
2 - 2Where Silence Has Lease Nov. 28, 1988
2 - 3Elementary, Dear Data Dec. 05, 1988
2 - 4The Outrageous Okona Dec. 12, 1988
2 - 5Loud as a Whisper Jan. 09, 1989
2 - 6The Schizoid Man Jan. 23, 1989
2 - 7Unnatural Selection Jan. 30, 1989
2 - 8A Matter of Honor Feb. 06, 1989
2 - 9The Measure of a Man Feb. 13, 1989
2 - 10The Dauphin Feb. 20, 1989
2 - 11Contagion Mar. 20, 1989
2 - 12The Royale Mar. 27, 1989
2 - 13Time Squared Apr. 03, 1989
2 - 14The Icarus Factor Apr. 24, 1989
2 - 15Pen Pals May. 01, 1989
2 - 16Q Who May. 08, 1989
2 - 17Samaritan Snare May. 15, 1989
2 - 18Up the Long Ladder May. 22, 1989
2 - 19Manhunt Jun. 19, 1989
2 - 20The Emissary Jun. 29, 1989
2 - 21Peak Performance Jul. 10, 1989
2 - 22Shades of Gray Jul. 17, 1989