When Harper accidentally overrides Andromeda's personality with an older version, she hunts down the crew and goes on an old mission in which her former crew was slaughtered.

Finally, after 300 years and a black hole keeping them apart, Captain Dylan Hunt reunites with his true love, Sara.

Dylan and the crew of the Eureka Maru agree to join forces and become one team aboard the Andromeda Ascendant as they set forth on his mission to restore the Systems Commonwealth.

Captain Dylan Hunt must save the Andromeda from the Nietzscheans, who are trying to persuade Tyr to help them destroy the ship and rebuild his Nietzschean life. His new life would include a wife to carry on his lineage.

Dylan is faced with a difficult decision when Andromeda slipstreams back in time -- days before the climactic battle of the Nietzschean Revolution where the Commonwealth was defeated and the Nietzschean Alliance was destroyed.

With their communication with the crew of the Eureka Maru completely cut off, Dylan and Rommie are forced into exile on a prison planet and must befriend fellow inmates to attempt any escape.

A crash landing on a strange planet leaves Tyr with a complete loss of memory and a mystery crate to protect from not-so-brotherly Nietzcheans.

Harper finds himself overloaded with information when a dying Perseid transfers data into his brain.

Rommie falls in love with a surviving android (Michael Shanks) of a destroyed ship, only to be betrayed as he turns out to be the ultimate enemy.

It's the start of the war between the Systems Commonwealth and the Nietzschean fleets. Captain Dylan Hunt and his ship the Andromeda Ascendant try to flee the first Nietzschean attack to warn the Commonwealth. In his attempt to escape, the Andromeda and Captain Hunt are caught in the event horizon of a black hole and frozen in time for 300 years. The crew of the Eureka Maru with Captain Beka Valentine try to salvage the Andromeda to sell for a Nightsider's ransom. After the Andromeda is pulled free, Hunt is unfrozen and forced to defend his ship against the salvagers and the Nietzschean mercenaries lead by Tyr Anasazi.

Beka's con-artist brother unexpectedly shows up claiming to be a devout Wayist making the Andromeda a prime target for Restorian attack.

Beka Valentine receives a distress call from her beloved Uncle Sid , but to her disdain realizes that he has become Sam Profit, a big business tycoon.

Andromeda encounters her damaged sister ship, the Pax Magellanic, that leads the crew of the Andromeda Ascendant on an eerie mission.

Dylan is taken captive and forced to admit that he killed the Mobius leader and overthrew the Mobius government more than 300 years ago.

A humanoid robot visits the Andromeda crew, helps them fight off a culture of organized machines and learns what it means to be a living being.

Trance, Harper and their former employer Gerentex are unwilling partners on a wild ride to find a valuable artifact.

Rev Bem gets a call from a Wayist friend in need of his help to save the Hajira and its settlement, Serendipity, from being taken over by slavers.

An arranged marriage between two rival Nietzschean Prides puts the Andromeda Ascendant in danger when Captain Dylan Hunt agrees to transport the bride to the wedding.

Beka jeopardizes the crew when she takes a mind-altering drug while attempting an exhaustive piloting mission that could bring Dylan to his long-lost home planet.

Tyr and Rommie are framed for the assassination of the Castalian president.

Dylan inadvertently gives a group of child warriors power to destroy a solar system.

Beka and Tyr square off against Dylan for leadership of Andromeda during a dangerous face-off with an unknown enemy.