On this day in the Star Trek universe:

Star Trek: The Next Generation (1989)

Star Trek: The Next Generation

Season 2. Episode 22.

Episode entitled: Shades of Gray.

Released July 15, 1989.

Directed by Rob Bowman.

Written by Maurice Hurley, Richard Manning, Hans Beimler, Melinda M. Snodgrass.

Created by Gene Roddenberry.

Music by Ron Jones.

Cast: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn, Marina Sirtis, Brent Spiner, Wil Wheaton, Diana Muldaur, Colm Meaney, Vaughn Armstrong, Brenda Bakke, Robert Bauer, James G. Becker, Katy Boyer, Merritt Butrick, Christopher Collins, Ward Costello, Denise Crosby, Jeffrey Deacon, Jake Dengel, Abdul Salaam El Razzac, Ron Gans, John Robert Garrett, Whoopi Goldberg, Chip Heller, Charles Hyman, Randy James, Alexandra Johnson, Rosalyn Landor, Richard Lineback, Jay Louden, Mart McChesney, Tim McCormack, Carolyn McCormick, Gates McFadden, Karen Montgomery, Ray Reinhardt, Robert Schenkkan, Jack Sheldon, Tricia Sheldon, Armin Shimerman, Brian Thompson, Tracey Walter, R.J. Williams.