On this day in the Star Trek universe:

Star Trek: The Next Generation (1990)

Star Trek: Voyager (1999)

Star Trek: Enterprise (2004)

Star Trek: The Next Generation

Season 3. Episode 23.

Episode entitled: Sarek.

Released May 12, 1990.

Directed by Les Landau.

Written by Peter S. Beagle, Marc Cushman, Jake Jacobs, Ronald D. Moore.

Created by Gene Roddenberry.

Music by Dennis McCarthy.

Cast: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn, Gates McFadden, Marina Sirtis, Brent Spiner, Wil Wheaton, Mark Lenard, Joanna Miles, William Denis, Rocco Sisto, Colm Meaney, John H. Francis, Marston Smith, Rachen Assapiomonwait, Joe Baumann, Michael Braveheart, Gilbert B. Combs, Nyra Crenshaw, Robert Daniels, Christopher Doyle, Eben Ham, Randy James, Mark Lentry, Ken Lesco, Buck McDancer, James McElroy, Denise Lynne Roberts, Joyce Robinson, Rick Sandford, Richard Sarstedt, K. Uchizono.

Star Trek: Voyager

Season 5. Episode 23.

Episode entitled: Relativity.

Released May 12, 1999.

Directed by Allan Eastman.

Created by Rick Berman, Michael Piller, Jeri Taylor.

Written by Bryan Fuller, Nick Sagan, Michael Taylor.

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, Bruce McGill, Dakin Matthews, Jay Karnes, Josh Clark, John Austin, Majel Barrett, Marvin De Baca, Tarik Ergin, Sylvester Foster, Matt Hanson, Linda Harcharic, Peter Scott Harmyk, Kerry Hoyt, Heather Rattray, Richard Sarstedt, Linnea Soohoo, Pablo Soriano, Phoenix Wong.

Star Trek: Enterprise

Season 3. Episode 22.

Episode entitled: The Council.

Released May 12, 2004.

Directed by David Livingston.

Written by Manny Coto, 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 Velton Ray Bunch.

Cast: Scott Bakula, John Billingsley, Jolene Blalock, Dominic Keating, Anthony Montgomery, Linda Park, Connor Trinneer, Randy Oglesby, Tucker Smallwood, Rick Worthy, Scott MacDonald, Josette Di Carlo, Sean McGowan, Bruce Thomas, Andrew Borba, Mary Mara, Ruth Williamson, Eric Brandon/Lemler, Alexandrea Ortiz, Solomon Burke Jr., Tarik Ergin, Hilde Garcia, Glen Hambly.