On this day in the Star Trek universe:

Star Trek (1967 & 1968)

Star Trek: Voyager (2000)

Star Trek

Season 1. Episode 18.

Episode entitled: Arena.

Released January 19, 1967.

Directed by Joseph Pevney.

Written by Gene L. Coon, Fredric Brown.

Created by Gene Roddenberry.

Music by Alexander Courage.

Cast: William Shatner, Leonard Nimoy, Nichelle Nichols, DeForest Kelley, James Doohan, George Takei, Jerry Ayres, Grant Woods, Tom Troupe, James Farley, Carolyne Barry / Carole Shelyne, Sean Kenney, Bill Blackburn, Ted Cassidy, Bobby Clark, Gary Combs, Frank da Vinci, Eddie Paskey, Vic Perrin, Ron Veto.

Star Trek

Season 2. Episode 18.

Episode entitled: The Immunity Syndrome.

Released January 19, 1968.

Directed by Joseph Pevney.

Written by Robert Sabaroff.

Created by Gene Roddenberry.

Music by Alexander Courage.

Cast: William Shatner, Leonard Nimoy, Nichelle Nichols, DeForest Kelley, James Doohan, George Takei, Majel Barrett, Walter Koenig, John Winston, Bill Blackburn, John Blower, Frank da Vinci, Bob Johnson, Jay D. Jones, Jeannie Malone, Eddie Paskey, Frieda Rentie.

Star Trek: Voyager

Season 6. Episode 12.

Episode entitled: Blink of an Eye.

Released January 19, 2000.

Directed by Gabrielle Beaumont.

Created by Rick Berman, Michael Piller, Jeri Taylor.

Written by Joe Menosky, Michael Taylor, Bryan Fuller, Robert Doherty.

Based on Star Trek, created by Gene Roddenberry.

Music by Paul Baillargeon.

Cast: Kate Mulgrew, Robert Beltran, Roxann Dawson, Robert Duncan McNeill, Ethan Phillips, Robert Picardo, Tim Russ, Garrett Wang, Jeri Ryan, Daniel Dae Kim, Obi Ndefo, Daniel Zacapa, Olaf Pooley, Jon Cellini, Kat Sawyer, Melik Malkasian, Walter H. McCready, Scarlett Pomers, Michael Bailous, Tarik Ergin, Tina Kotrich, Nichole McAuley.