1. Mabus
Jordan Radcliffe joins Cade and Eddie to fight the aliens. The Gua make a clone of Cade.
First Wave — Season 3
2. Raven Nation
Raven Nation is a resistance group that fashions themselves after the ethos of Cade Foster and his significance as a key in defeating the Gua. Jordan Radcliffe becomes Cade's most trusted ally within the group.
3. Comes a Horseman
While investigating a biological research facility, Foster is exposed to a lethal airborne virus and must risk his life in order to prevent the virus from spreading.
4. Gulag
Foster discovers Joshua locked away on a quantum pocket where he is forced to attempt the same task over and over again as punishment for helping Foster.
5. The Flight of Francis Jeffries
Foster investigates an alien experiment that will allow the Gua to transfer their consciousness without having to use husks.
6. Still At Large
Foster and Jordan go undercover in a Chicago police station in order to find documents that allegedly prove Cade Foster's innocence in his wife's murder.
7. Asylum
Eddie checks into a mental asylum in the hope of rescuing a judge who shares the institution with other people who believe that the Earth is being overrun by aliens.
8. Eyes of the Gua
A Gua assassin is sent out to kill what appear to be random victims. But with Joshua observing events, Foster is determined to find out the truth behind the incidents.
9. Skywatchers
One of the Raven Nation operatives disappears near the small town of Hope. When Jordan and Foster investigate, they discover that the townspeople are hiding a terrible secret.
10. The Plan
When Mabus dissolves the Gua Assembly, his military leaders are concerned that he is launching the second wave too early. They hatch a plan to assassinate him, with the help of Cade Foster.
11. Wednesday's Child
Foster and Jordan are saved from a Gua bomb by an email sent to Eddie by an ill ten year old girl. Jordan discovers that Mabus has made a psychic connection to the girl.
12. Unearthed
Eddie and Jordan join an archaeology dig looking for Thor's Hammer and discover a Gua presence looking for the powerful weapon, which claims Foster as its first victim.
13. Shadowland
After Foster experiences a series of nightmares, he visits a hypnotherapist friendly to the Raven Nation and is led back into a childhood he has forgotten, including a suppressed encounter with the Gua.
14. Legacy
Jordan is ambushed by the Gua at the Radcliffe Foundation annual ball, where she learns the shocking truth about her late father's demise.
15. The Edge
Foster is injected with Gua DNA and, as the process of transformation progresses, Jordan and Eddie face the agonizing prospect of having to kill Foster in order to save the planet.
16. The Vessel
Foster must stop the aliens from destroying the world's computer systems and Mabus from occupying human bodies, including his new love's.
17. Requiem
Foster informs the Generals of the Raven Nation that Mabus is using Jordan Radcliffe's body as a host.
18. Checkmate
Victory for the Gua seems close, as Mabus capotures Foster. Could an extraterrestrial revelation free Jordan and destroy Mabus?
19. Black Box
An Omega quatraine points Foster and Eddie towards a magnetic signal in the mountains. Suddenly a GUA ship crashes nearby. Joshua brought the ship down and it begins a race to find a powerful GUA warhead from the crash.
20. Beneath The Black Sky
Foster encounters Xevallah, the mysterious stranger who rescued him from the Gua when he was a child. Xevellah teaches Foster the essential wisdom of forgiveness and prepares him for the final battle with the Gua.
21. Terminal City
Foster travels to the future to locate the Hammer, a Gua weapon that has the power to determine the fate of humankind. But he discovers that the Resistance has crumbled and his counterpart has lost hope.
22. Twice Bless'd
Mabus attempts to control the minds of Foster, Eddie, Jordan and Joshua in order to fulfill the requirements necessary to initiate the Second Wave.