On this day in the Star Trek universe:

Star Trek: Voyager (1997)

Star Trek: Discovery (2020)

Star Trek: Voyager

Season 4. Episode 12.

Episode entitled: Mortal Coil.

Released December 17, 1997.

Directed by Allan Kroeker.

Created by Rick Berman, Michael Piller, Jeri Taylor.

Written by Bryan Fuller, Lisa Klink.

Based on Star Trek, created by Gene Roddenberry.

Music by Paul Baillargeon.

Cast: Kate Mulgrew, Robert Beltran, Roxann Biggs-Dawson, Robert Duncan McNeill, Ethan Phillips, Robert Picardo, Tim Russ, Garrett Wang, Jeri Ryan, Nancy Hower, Brooke Stephens, Robin Michele Stewart / Robin Stapler, John Copage, Heather Ferguson, Keith Rayve, Pablo Soriano.

Star Trek: Discovery

Season 3. Episode 10.

Episode entitled: Terra Firma, Part 2.

Released December 17, 2020.

Directed by Chloe Domont.

Created by Bryan Fuller, Alex Kurtzman.

Written by Kalinda Vazquez, Bo Yeon Kim, Erika Lippoldt, Alan B. McElroy, Sean Cochran, Anthony Maranville, Chris Silvestri, Brandon Schultz.

Based on Star Trek, created by Gene Roddenberry.

Music by Jeff Russo.

Cast: Sonequa Martin-Green, Doug Jones, Anthony Rapp, Mary Wiseman, Wilson Cruz, David Ajala, Michelle Yeoh, Oded Fehr, Blu del Barrio, Hannah Cheesman, Paul Guilfoyle, Daniel Kash, Tig Notaro, Rekha Sharma, Emily Coutts, Patrick Kwok-Choon, Oyin Oladejo, Ronnie Rowe, Sara Mitich, Erik Buckland, Craig Henry.