To uncover the secret of Earth's destruction, the crew must travel five years into the past.
A researcher with a death wish suspects artificial life has gotten into cyberspace.
Taggart and Neil set out to sabotage a NASA test; Angela and Sarah try to stop a kidnapping.
When all of the Odyssey 5 crew members except Mendel mysteriously start forgetting what they know of the impending destruction of the earth, he struggles to figure out how to return their "future memories" to them.
When a scientist is murdered, the crew must find his missing niece who has the ability to communicate with his technologically-evolved ants.
In an attempt to understand the crew, a strange creature forces them to re-experience their most intense, personal memories.
Nell's high school is infiltrated with a sentient-created drug, which induces telepathic capabilities.
Taggart, Sarah, and Mendel gather clues at an independent, maximum-security jail.
While Paul takes Sarah to court in a custody battle and Marc deals with the possibility of getting kicked out of the Astronaut Training program, Taggart contracts an alien virus propagated by nanobots.
Pretending to be an e-mail pen pal, a Sentient stalks Neil.
Harry Mudd, a Sentient in a Synthetic body, approaches the team and alerts them that an insane Sentient is planning the destruction of the world. His warning serves to remind them what's really important.
When a terrifying new breed of Synthetic targets Angela's father, Senator Perry, the Odyssey crew scrambles to save his life. As Paige struggles to cope with the the truth about the Odyssey mission, Sarah deals with the news that her ex has learned about her unsupervised visits with their son.
When residents of a small town brainwash Mendel into helping them build a portal to bring God to Earth, Taggart and Neil try to reach him before time runs out.