On this day in the Star Trek universe:

Star Trek: Voyager (1997)
Star Trek: Enterprise (2003)

Star Trek: Voyager
Season 3. Episode 26.
Episode entitled: Scorpion.

Released May 21, 1997.

Directed by David Livingston.

Created by Rick Berman, Michael Piller, Jeri Taylor.

Written by Brannon Braga, Joe Menosky, Lisa Klink.

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, John Rhys-Davies, Patrick Barnitt, Jeff Cadiente, John Copage, Neo Edmund, Tarik Ergin, Grace Harrell, Susan Henley, Kerry Hoyt, Julie Jiang, Zach LeBeau, Tom Morga, Louis Ortiz, Alexander Xavier Ponce-Bonano, Keith Rayve, Craig Reed, Joey Sakata, Richard Sarstedt, John Alex Tampoya.

Star Trek: Enterprise
Season 2. Episode 26.
Episode entitled: The Expanse.

Released May 21, 2003.

Directed by Allan Kroeker.

Written by Brannon Braga, Rick Berman, 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 Dennis McCarthy.

Cast: Scott Bakula, John Billingsley, Jolene Blalock, Dominic Keating, Anthony Montgomery, Linda Park, Connor Trinneer, John Fleck, Vaughn Armstrong, Gary Graham, Daniel Riordan, James Horan, Bruce Wright, Dan Desmond, Josh Cruze, David Figlioli, Gary Bullock, Alexandrea Ortiz, Jef Ayres, Vince Deadrick Jr., Kevin Derr, Nikki Flux, Duncan K. Fraser, Hilde Garcia, Glen Hambly, Scott Sterling Hill, Dieter Horneman, Jim Lau, Aouri Makhlouf, Marnie Martin, Louis Ortiz.