Season 1
Episode: 1x01 | Airdate: Jun 9, 1999
Capt. Matthew Gideon assembles the crew that will be with him on the experimental starship Excalibur. Their mission: explore the reaches of space to find a cure for the deadly Drakh virus that will overrun Earth in five years.
Episode: 1x02 | Airdate: Jun 16, 1999
Gideon mediates between Earth miners and the residents of a planet containing a virus-fighting mineral--and a fire-breathing dragon.
Episode: 1x03 | Airdate: Jun 23, 1999
Galen persuades Gideon to seek a mystical crossroads. A Psychic investigator probes Lt. Matheson's mind.
Episode: 1x04 | Airdate: Jun 30, 1999
A mysterious sphere prompts Gideon and the others to relive traumatic moments from their past.
Episode: 1x05 | Airdate: Jul 7, 1999
Gideon must take into custody a colony of renegade humans that may have been infected while escaping Earth. Meanwhile, Dureena finds a lost tribe of her people.
Episode: 1x06 | Airdate: Jul 14, 1999
Gideon and Lochley must prevent a doomsday cult from killing everyone at a Virus Conference on Mars.
Episode: 1x07 | Airdate: Jul 21, 1999
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. Meanwhile, 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 and goes to great lengths to collect.
Episode: 1x08 | Airdate: Jul 28, 1999
Gideon must outwit an alien consciousness that takes over the Excalibur's crew.
Episode: 1x09 | Airdate: Aug 4, 1999
Gideon and crew find themselves attacked on a supposedly dead world. They race to find out who is attacking them and why.
Episode: 1x10 | Airdate: Aug 11, 1999
Galen warns Gideon not to explore a planet where the inhabitants were suddenly eradicated.
Episode: 1x11 | Airdate: Aug 18, 1999
Gideon conducts an illegal raid to free a fugitive with information that could save Earth.
Episode: 1x12 | Airdate: Aug 25, 1999
Two persecuted alien investigators believe that Earth is covertly invading them.
Episode: 1x13 | Airdate: Sep 1, 1999
The Excalibur is sent to rendezvous with a special courier for top-secret mission. Obeying Senator Jacob Redway and his companion, a rather bland plumber named David Williams, Gideon proceeds toward Earth. However, when the Excalibur encounters a disabled Starfury, Gideon decides to stop and rescue its nearly-dead pilot: Captain Elizabeth Lochley. After telling Lochley that he can't tell her anything about their mission, Gideon and Excalibur continue to Earth to pick up a very special person who will help them test the baseline for the Drakh plague: Dr. Stephen Franklin. But, as they begin to check the details for Dr. Franklin, Williams who will serve as Franklin's baseline makes a call. It's only to his sweetheart on Earth - but more than his sweetheart is listening to his transmission.