On this day in the Star Trek universe:

Star Trek: Voyager (1995)

Star Trek: Enterprise (2002)

Star Trek: Voyager

Season 1. Episode 9.

Episode entitled: Prime Factors.

Released March 20, 1995.

Directed by Les Landau.

Created by Rick Berman, Michael Piller, Jeri Taylor.

Written by Michael Perricone, Greg Elliot, David R. George III, Eric A. Stillwell, Kenneth Biller.

Based on Star Trek, created by Gene Roddenberry.

Music by Jay Chattaway.

Cast: Kate Mulgrew, Robert Beltran, Roxann Biggs-Dawson, Jennifer Lien, Robert Duncan McNeill, Ethan Phillips, Robert Picardo, Tim Russ, Garrett Wang, Ronald Guttman, Yvonne Suhor, Andrew Hill Newman, Martha Hackett, Josh Clark, Derek Anthony, Kimberly Auslander, Majel Barrett, Jasmin Bischoff, Allan Bragg, Shawn Cash, Kenneth David Ebling, Tarik Ergin, Pablo Espinosa, Norman Alexander Gibbs, Susan Henley, Kerry Hoyt, Julie Jiang, Martee La Comette, Dawn Lovett, Lynn Meneses, Jordan Monheim, Louis Ortiz, Elizabeth Pengson, Rob Plaza, Jerry L. Quinn, Susan Sanders, Richard Sarstedt, Daunette Saunders, Simon Stotler, John Alex Tampoya, Jeff Witzke.

Star Trek: Enterprise

Season 1. Episode 18.

Episode entitled: Rogue Planet.

Released March 20, 2002.

Directed by Allan Kroeker.

Written by Chris Black, Rick Berman, Brannon Braga, Phyllis Strong, Michael/Mike Sussman, Stephen Beck, André Jacquemetton, Maria Jacquemetton, André Bormanis.

Created by Rick Berman, Brannon Braga.

Based on Star Trek, created by Gene Roddenberry.

Opening theme song: Faith of the Heart, performed by Russell Watson.

Closing theme: Archer's Theme, by Dennis McCarthy.

Music by Paul Baillargeon.

Cast: Scott Bakula, John Billingsley, Jolene Blalock, Dominic Keating, Anthony Montgomery, Linda Park, Connor Trinneer, Stephanie Niznik, Conor O'Farrell, Eric Pierpoint, Keith Szarabajka, Jane Bordeaux, Solomon Burke Jr., Amy Kate Connolly, Hilde Garcia, Lindley Gardner, John Jurgens, Cynthia Uhrich, Mark Watson.