Betrayed by his first officer, Systems Commonwealth Captain Dylan Hunt finds himself caught at the event horizon of a black hole and frozen in time for 300 years. He is rescued by a ragtag crew, who unleash a new Nietzchean threat on the ship.
Trapped 300 years in the future -- long after the fall of the Commonwealth -- Hunt must single-handedly defend the Andromeda from invaders. Beka Valentine and her crew discover that they may be fighting for the wrong side.
The crew of Andromeda find an old Commonwealth space station populated by children -- who accept Dylan as their savior, and manipulate him into unlocking powerful weapons systems to attack their enemies.
Andromeda finds a colony of Nietzcheans, who accept Tyr into their pride and provide him with a desirable mate. Hunt must out-maneuver the clan -- and Tyr -- to keep the ship from being hijacked.
A slipstream error throws Andromeda back in time to the climactic battle of the Nietzchean-Commonwealth war. The crew must decide whether or not to infere with history and turn the tide of the battle.
Beka's unscrupulous brother comes aboard, claiming to be a recent convert to Wayism. But he and his alien companion are much more than they appear to be.
The time distortion of a black hole allows Dylan to communicate with his lost fiance Sarah, 300 years in the past. Hunt helps to defend the ship from a Nietzchean attack, and is reunited with the woman he loves.
Hunt and Rommie are sent to an alien prison colony, and Rommie's life is threatened when she begins to run out of power. Dylan looks to a bright young woman for a means of escape.
Castalian dignitaries come aboard the ship to finalize negotiations to join the new Commonwealth, but the sudden death of their leader puts Tyr at the center of a murder investigation.
Beka and Trance go in search of Beka's father's former business partner, and discover that he is at the head of a powerful conglomeration that is dealing in an addictive drug.
Andromeda discovers her sister ship, the Pax Magellanic, with a 300-year-old crew that has not aged a day. Dylan must learn the ship's ill-fated history, as Andromeda struggles with the vessel's mad A.I.
Tyr crash lands with amnesia on a Nietzchean-controlled world, and is taken in by a woman and her son. He struggles to regain his memory and defend a valuable stolen treasure from a rival tribe.
Harper becomes the target of a bounty hunter when a Perseid downloads a library of data into his brain, giving him incredible knowledge -- and incredible nightmares.
Andromeda receives an emissary from a machine-based society, who takes over the ship in an attempt to stay alive. The Consensus of Parts tries to bring the ship into their ranks by force.
Beka attempts to pilot the Andromeda to the legendary capital of the Commonwealth, a planet cut off from the rest of the galaxy for 300 years. But a bad decision puts everyone's lives in danger.
Harper accidentally activates a back-up copy of Rommie's personality, causing her to reinact a top-secret mission. The ship is overrun by bloodthirsty Magog, who terrorize the crew.