On this day in the Star Trek universe - The Next Generation:

Star Trek: The Next Generation (1991)

Star Trek: The Next Generation
Season 4. Episode 22.

Episode entitled: Half a Life.

Released May 4, 1991.

Directed by Les Landau.

Written by Peter Allan Fields, Ted Roberts, Ronald D. Moore, Joe Menosky, David 

Carren, J. Larry Carroll, Brannon Braga.

Created by Gene Roddenberry.

Music by Dennis McCarthy.

Cast: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn, Gates McFadden, Marina Sirtis, Brent Spiner, Majel Barrett, Michelle Forbes, Terrence E. McNally, Colm Meaney, Carel Struycken, David Ogden Stiers, Rachen Assapiomonwait, Thomas J. Booth, Michael Braveheart, Cameron, Tracee Cocco, Nyra Crenshaw, Debbie David, Jeremy Doyle, Melanie Hathorn, Randy James, Jeri McBride, Tim McCormack, Joyce Robinson, Georgina Shore, K. Uchizono, Guy Vardaman.