Crusade - Season 1 - Eps 7: The Rules of the Game
The Excalibur goes to Babylon 5 so that Gideon can meet with an ambassador for permission to go to a planet that might have technology that can help Earth. But the ambassador refuses and Gideon is not going to accept it. And Ellerson runs into his ex-wife, who is in trouble with a loan shark. When he pays him off, he feels she owes him more. Anf goes to great lengths to collect.
About Crusade

Title: Crusade
First Air Date: 1999-06-09
Last Air Date: 1999-09-01
Status: Ended
Rating: 6.61/10 (from 105 votes)
Language: EN
Seasons: 2
Total Episodes: 13
Network: TNT
Genres: Drama, Sci-Fi & Fantasy, Action & Adventure
Production Companies: Babylonian Productions, Warner Bros. Television
Synopsis
Crusade is an American spin-off TV show from J. Michael Straczynski's Babylon 5. Its plot is set in AD 2267, five years after the events of Babylon 5, and just after the movie A Call to Arms. The Drakh have released a nanovirus plague on Earth, which will destroy all life on Earth within five years if it is not stopped. To that end, the Victory class destroyer Excalibur has been sent out to look for anything that could help the search for a cure.
Cast

Gary Cole
Capt. Matthew Gideon

Daniel Dae Kim
Lt. John Matheson

David Allen Brooks
Max Eilerson

Carrie Dobro
Dureena Nafeel

Marjean Holden
Dr. Sarah Chambers

Peter Woodward
Galen