But that wasn't the end of the Aschen. In season 5, the race returned for an episode entitled "2001." This time SG-1 encounter the Aschen on the planet Volia and once again form an alliance.

Season 5 Plot SG-1 trains a team of raw cadets, and Colonel O'Neill is forced to take them into a real-life battle situation when he learns of a possible alien incursion at the S.G.C. After an ...

Stargate SG-1 distinguishes itself from other sci-fi series by blending humor, action, and drama to create a unique IP that's well beloved by fans.

Find out how to watch Stargate SG-1. Stream the latest seasons and episodes, watch trailers, and more for Stargate SG-1 at TV Guide ...

The time loop is a common trope for any long-running series, and when Stargate SG-1 Season 4 came around, it was finally time for the show to put its own fun twist on the concept.

Each Stargate TV series has boasted a cast of engaging actors, each giving credence to the cosmic adventures they took in every episode. The cast of Stargate SG-1 hold a particularly special place ...