On this day in the Star Trek universe:

Star Trek (1969)
Star Trek: Voyager (2001)
Star Trek: Discovery (2019)

Star Trek

Season 3. Episode 21.

Episode entitled: The Cloud Minders.

Released February 28, 1969.

Directed by Jud Taylor.

Written by Margaret Armen, David Gerrold, Oliver Crawford, Arthur H. Singer.

Created by Gene Roddenberry.

Music by Alexander Courage.

Cast: William Shatner, Leonard Nimoy, DeForest Kelley, James Doohan, George Takei, Walter Koenig, Nichelle Nichols, Majel Barrett, Jeff Corey, Diana Ewing, Charlene Polite, Kirk Raymond, Jimmy Fields, Ed Long, Fred Williamson, Garth Pillsbury, Harv Selsby, Bill Blackburn, Louie Elias, Dick Geary, Jay D. Jones, Bob Miles, Marvin Walters.

Star Trek: Voyager

Season 7. Episode 16.

Episode entitled: Workforce, Part II.

Released February 28, 2001.

Directed by Roxann Dawson.

Created by Rick Berman, Michael Piller, Jeri Taylor.

Written by Kenneth Biller, Michael Taylor, Bryan Fuller, Robert Doherty, Phyllis Strong, Michael/Mike Sussman.

Based on Star Trek, created by Gene Roddenberry.

Music by Dennis McCarthy.

Cast: Kate Mulgrew, Robert Beltran, Roxann Dawson, Robert Duncan McNeill, Ethan Phillips, Robert Picardo, Tim Russ, Garrett Wang, Jeri Ryan, James Read, Don Most, John Aniston, Tom Virtue, Robert Joy, Jay Harrington, Michael Behrens, Joseph Will, Matthew/Matt J. Williamson, Damara Reilly, Majel Barrett, Carlo Antonazzo, John Austin, Mario Carter, Damaris Cordelia, Tarik Ergin, Ken Gruz, Joyce Lasley, Dennis Madalone, Mark Major, Robert Mammana, Iona Morris, James Pearson, Stephen Pisani, Akemi Royer, Richard Sarstedt, Pablo Soriano, John Alex Tampoya, Lisa Vanasco.

Star Trek: Discovery

Season 2. Episode 7.

Episode entitled: Light and Shadows.

Released February 28, 2019.

Directed by Marta Cunningham.

Created by Bryan Fuller, Alex Kurtzman.

Written by Ted Sullivan, Vaun Wilmott, Kirsten Beyer, Sean Cochran.

Based on Star Trek, created by Gene Roddenberry.

Music by Jeff Russo.

Cast: Sonequa Martin-Green, Doug Jones, Anthony Rapp, Mary Wiseman, Shazad Latif, Anson Mount, Michelle Yeoh, James Frain, Mia Kirshner, Ethan Peck, Alan Van Sprang, Hannah Cheesman, Emily Coutts, Patrick Kwok-Choon, Oyin Oladejo, Ronnie Rowe, Julianne Grossman, Arista Arhin, Liam Hughes.