On this day in the Star Trek universe:

Star Trek: Voyager (1997)

Star Trek: Enterprise (2003)

Star Trek: Discovery (2017)

Star Trek: Voyager

Season 4. Episode 5.

Episode entitled: Revulsion.

Released October 1, 1997.

Directed by Kenneth Biller.

Created by Rick Berman, Michael Piller, Jeri Taylor.

Written by Lisa Klink, Bryan Fuller.

Based on Star Trek, created by Gene Roddenberry.

Music by David Bell.

Cast: Kate Mulgrew, Robert Beltran, Roxann Biggs-Dawson, Robert Duncan McNeill, Ethan Phillips, Robert Picardo, Tim Russ, Garrett Wang, Jeri Ryan, Leland Orser, John Austin, Craig Cady, Stuart Coleman, John Copage, Lisa Croisette, Susan Henley, Kerry Hoyt, Andray Johnson, Louis Ortiz, Keith Rayve, Hallie Singleton.

Star Trek: Enterprise

Season 3. Episode 4.

Episode entitled: Rajiin.

Released October 1, 2003.

Directed by Michael/Mike Vejar.

Written by Brent Friedman, Chris Black, Paul Brown, André Bormanis, Jonathan Fernandez.

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, Nikita Ager, Tucker Smallwood, Randy Oglesby, Rick Worthy, Scott MacDonald, Steve Larson, Dell Yount, B.K. Kennelly, Ken Lally, Alexandrea Ortiz, Jef Ayres, Jacob Chambers, Mark Correy, Elizabeth DeCicco, Kevin Derr, Tarik Ergin, Ian Eyre, Nikki Flux, Duncan K. Fraser, Hilde Garcia, Peter Godoy, Glen Hambly, Aldric A. Horton, Roy Joaquin, John Jurgens, Dorenda Moore, Robin Morselli, Lin Oeding, Louis Ortiz, Bobby Pappas, Paul Sklar, Justin Sundquist, Chris Torres.

Star Trek: Discovery

Season 1. Episode 3.

Episode entitled: Context Is for Kings.

Released October 1, 2017.

Directed by Akiva Goldsman.

Created by Bryan Fuller, Alex Kurtzman.

Written by Gretchen J. Berg, Aaron Harberts, Craig Sweeny, Bryan Fuller, Bo Yeon Kim, Erika Lippoldt, Kirsten Beyer, Sean Cochran, Kemp Powers.

Based on Star Trek, created by Gene Roddenberry.

Music by Jeff Russo.

Cast: Sonequa Martin-Green, Doug Jones, Shazad Latif/Javid Iqbal, Anthony Rapp, Mary Wiseman, Jason Isaacs, Rekha Sharma, Emily Coutts, Julianne Grossman, Grace Lynn Kung, Devon MacDonald, Sara Mitich, Oyin Oladejo, Conrad Pla, Ronnie Rowe, Christopher Russell, Saad Siddiqui, Elias Toufexis, Tasia Valenza, Avaah Blackwell, John MacDonald, Helene Robbie.