Pilot A team of eight astronauts, embarking on a six-year journey to explore Venus and other planets in the solar system, find their lives and destinies intertwined and carefully directed, not only by Mission Control officials on Earth, but also by an unseen force which is much closer and far more powerful.
Natural Selection Some rocky and intriguing developments confront the crew as they learn to adjust to life on board the Antares, as they find that some past choices, combined with an unknown element in the ship's mysterious Storage Pod 4, lead to a complex web of dreams, desires and illusions that result in a life-threatening crisis.
Threshold Taboos are broken and lines are crossed as personal and professional relationships aboard the Antares and on Earth continue to intensify, while the unseen power behind the mission begins to create both cellular and psychological transformations among the astronauts.
H21K The crew of the Antares face their first major crisis when the ship inexplicably begins to shut down all of its operating systems, causing the sudden failure of power, heat and gravity controls and plunging everyone aboard into chaos during the desperate search for a solution.
Rubicon It's a humbling moment for the crew of the spaceship, as each of them deals with a personal point of no return, while the Antares itself crosses a critical boundary when going back to Earth is no longer an option, and the home planet becomes just another twinkling light in a vast canopy of stars.
Bacon Drawing closer to the orbit of Venus, some members of the Antares crew struggle with guilt and experience vivid repercussions of past actions, while a serious accident puts the life of a teammate in danger, uniting everyone in the desperate endeavor to save her.
Fear It's Halloween aboard the Antares and the forces of darkness are revealed in more ways than one, as feverish hallucinations jeopardize the lives of the crew just as they're about to embark on a promotional event for which the whole world is waiting.
Love, Honor, Obey An impending solar flare threatens the crew of the Antares with dangerous radiation, while the strange force in Pod 4 finally sends out a siren call that proves utterly irresistible.