第 4 季 共 22 集
播出时间：2003年9月30日
第 1 集 Answers Given to Questions Never Asked (2)
播出时间：2003年9月30日
A seemingly psychotic ""Collector"" simultaneously takes credit and blames Dylan for the fall of the Commonwealth. He also claims to be hosting (or holding captive?) the Triumvir Tri-Jema. The crew must decide whether to accompany Dylan on yet another odds-defying journey to save the Universe or to retire in relative safety.
第 2 集 Pieces of Eight
播出时间：2003年10月7日
A power-hungry citizen seeks to manipulate the Commonwealth for his own gain. Dylan receives an unsettling view of his future from a prophetic alien.
第 3 集 Waking the Tyrant's Device
播出时间：2003年10月14日
Dylan and an old friend try to prevent the maker of the Magog Worldship from deploying an army of androids.
第 4 集 Double or Nothingness
播出时间：2003年10月21日
Dylan plays a dangerous game against two gamblers, but not everything is as real as it seems.
第 5 集 Harper/Delete
播出时间：2003年10月28日
The ultimate weapon falls into the hands of a Nietzschean pirate. Can Harper disarm it before the Magog arrive?
第 6 集 Soon the Nearing Vortex (1)
播出时间：2003年11月4日
The reappearance of Tyr Anasazi and Telemachus Rhade leads to a race to obtain the Route of Ages, which will direct the owner to the location of the Abyss itself. Dylan and the crew plan to use it as a weapon, while Tyr plans on bargaining with the Abyss in hopes of it sparing his empire.
第 7 集 The World Turns All Around Her (2)
播出时间：2003年11月11日
In a race against Tyr to control the Route of Ages, the crew find themselves in another universe. To save them, Trance finally reveals who and what she really is.
第 8 集 Conduit to Destiny
播出时间：2003年11月18日
The crew assists in the search for escaped prisoners on a new Commonwealth member world. Dylan finds himself playing a role in an ancient prophecy.
第 9 集 Machinery of the Mind
播出时间：2004年1月13日
Harper attends a conference of the Commonwealth's greatest minds. Unfortunately, a mysterious assassin has plans for that collected brilliance. Meanwhile, Dylan is being escorted to meet with Tri-Lorn... or is he?
第 10 集 Exalted Reason, Resplendent Daughter
播出时间：2004年1月20日
The crew searches for a princess abducted by a ruthless pirate. As usual, nothing is as it seems. Along the way, a secret from Beka's past is revealed.
第 11 集 The Torment, the Release
播出时间：2004年1月27日
Dylan is put on trial for high crimes against the Commonwealth.
第 12 集 The Spider's Stratagem
播出时间：2004年2月3日
The crew intercepts a mysterious cargo en route to a war zone.
第 13 集 The Warmth of an Invisible Light
播出时间：2004年2月10日
One of Harper's experiments goes awry, and Dylan ends up in an alternate reality.
第 14 集 The Others
播出时间：2004年2月17日
The crew rescues two people from a spaceship, the leaders of opposing sides in a long civil war on a nearby planet. The two warring sides have built an immense wall separating the northern and southern halves of the planet, and the Northerners are suffering from a plague that is blamed on the Southerners. After Dylan contracts the plague, the crew try to assist in settling the dispute and find a cure for the plague, but nothing goes as planned.
第 15 集 Fear Burns Down to Ashes
播出时间：2004年2月24日
The Collectors have been using a drug to modify people's behavior, discovering their fears in efforts to control or break them. This is their solution for dealing with Dylan. Led by a message from Rev Bem, claiming to have a weapon that can defeat the oncoming darkness, Dylan lands on a drug-trafficking planet and is soon taken captive by the Collectors.
第 16 集 Lost in a Space that Isn't There
播出时间：2004年4月6日
After being repeatedly attacked by bounty hunters after several evasive slipstream jumps, Dylan determines that there must be a mole on board. After analyzing data recordings, he discovers that Beka has been infected by The Abyss and has unknowingly been giving away Andromeda's position. Dylan and the crew have to come up with a way to rid Beka of The Abyss -- without killing her.
第 17 集 Abridging the Devil's Divide
播出时间：2004年4月13日
While on a mission on the Maru, Dylan, Rhade and Harper (and the Maru) are captured by the Templars. The Patriarch of the Templars presses Harper to help him build a bridge -- a time bridge to 210 years in the future. However, sometimes even the future is unpredictable. Meanwhile, Beka, Trance and Rommie chase down smuggler ships.
第 18 集 Trusting the Gordian Maze
播出时间：2004年4月20日
While the Andromeda is confronted by the Commonwealth fleet and Tri-Jema, Dylan must decide whether or not he can entrust the Route of Ages to them.
第 19 集 A Symmetry of Imperfection
播出时间：2004年4月27日
Rommie's emotions cause one of Harpers fail-safes to cut in, cutting her off from her core AI and shutting down all the ships systems. This creates problems, especially when a satellite ship from the Magog world ship could come out of slipstream at any moment!
第 20 集 Time out of Mind
播出时间：2004年5月4日
The death of a man from Beka's past named Weslow, sends the crew in search of an archive that can let Beka relive some of her childhood experiences so that she may make sense of Weslow's dying words.
第 21 集 The Dissonant Interval (1)
播出时间：2004年5月11日
The Andromeda encounters the Arkology, a society that they believe is the closest to perfection humanity will ever achieve. But the Magog are close, and Dylan and the crew must convince the utopia that peace is not the answer. Conflict arises in the core crew when the leaders of Arkology do not wish to leave. Dylan wants to defend them, and Beka warns him that she's not going to stay and die defending an idea of peace.
第 22 集 The Dissonant Interval (2)
播出时间：2004年5月18日
Beka decides to leave the crew to fight for themselves, but after all of the promises that everyone will be reunited, Trance tells them that they will never be as they are again. When the Magog Worldship finally re-encounters the Andromeda after two years, Rommie and Harper race to take the Arkology to slipstream, Rhade must teach the inhabitants to defend themselves, and Dylan and Trance fight off the invading Magog. But as the Andromeda becomes covered in swarmships, Trance tells Dylan that he--and only he--may escape this alive.
