On this day in the Star Trek universe - The Next Generation, Voyager (1989, 1998):

Star Trek: The Next Generation
Season 3. Episode 7.

Episode entitled: The Enemy.

Released November 4, 1989.

Directed by David Carson.

Written by David Kemper, Michael Piller, Richard Danus.

Created by Gene Roddenberry.

Music by Dennis McCarthy.

Cast:

Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn, Marina Sirtis, Brent Spiner, Wil Wheaton, Gates McFadden, John Snyder, Andreas Katsulas, Colm Meaney, Steve Rankin, James G. Becker, Michael Braveheart, Jeremy Doyle, Lorine Mendell, Natalie Wood.

Star Trek: Voyager
Season 5. Episode 4.

Episode entitled: In the Flesh.

Released November 4, 1998.

Directed by David Livingston.

Created by Rick Berman, Michael Piller, Jeri Taylor.

Written by Nick Sagan, Bryan Fuller, Michael Taylor.

Based on Star Trek, created by Gene Roddenberry.

Music by Jay Chattaway.
 
Cast:

Kate Mulgrew, Robert Beltran, Roxann Biggs-Dawson, Robert Duncan McNeill, Ethan Phillips, Robert Picardo, Tim Russ, Garrett Wang, Jeri Ryan, Kate Vernon, Zach Galligan, Tucker Smallwood, Ray Walston, Ivory Broome, Tarik Ergin, Steven Grothe, Jacquelyn Guss, Grace Harrell, Dieter Horneman, Rubin Knight, Alicia Lewis, Tom Miller, Guy Richardson, Christina Rydell, Joey Sakata, Walter Smith, Pablo Soriano, Dan Tirman.