On this day in the Star Trek universe:

Star Trek: The Next Generation (1991)

Star Trek: The Next Generation

Season 5. Episode 4.

Episode entitled: Sillicon Avatar.

Released October 12, 1991.

Directed by Cliff Bole.

Written by Jeri Taylor, Lawrence V. Conley, Brannon Braga, René Echevarria.

Created by Gene Roddenberry.

Music by Jay Chattaway.

Cast: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn, Gates McFadden, Marina Sirtis, Brent Spiner, Ellen Geer, Susan Diol, Joe Baumann, Cullen G. Chambers, Tracee Cocco, Jeremy Doyle, Goldie Gareza, Gary Hunter, Randy James, Jason Marsden, Betty Matsushita, Tim McCormack, Henry Murph, Teri Noel, Bill E. Rogers, Gina Saadi, Richard Sarstedt, Eric Schwartz, Victor Sein, Sissy Sessions, Star Shulman, John Alex Tampoya, K. Uchizono, Robin Van Sharner, Guy Vardaman.