Explosive Appeal (S4E1) The team is still in Arizona. Paige responds to Dax's surprise proposal. Paige and the team respond to a bomb threat at the local high school. Is the suspect just looking for attention, or is there something more urgent simmering under the surface?
Wild Excursion (S4E2) A New York couple is missing in the wilderness. Can they survive in the wild or will a mistake prove fatal? Dax and the team start to make plans to start up a black ops training facility.
Lucrative Deception (S4E3) When a plane crashes in the wilderness, Paige must determine who the pilot is and why he was transporting.
Impartial Hindrance (S4E4) Paige responds to an assault in progress and will have to decide who to trust. The investigation pulls her into another cold case, one that originated in Nevada and the victim was one of their own. Dax and the group look into the dead pilot and decide on a course of action that could be risky.
Tumultuous Bliss (S4E5) A young man is dead but was it murder or an accident? Paige prepares for her wedding, but realizes Dax has a secret. And will family drama ruin the couple's perfect wedding?
Inevitable Apprehension (S4E6) Paige and Dax are back from their honeymoon and try to adjust to normal life again. A prison break has everyone on edge until the violent felons are captured. An old friend comes to town.
Treacherous Kinship (S4E7) A routine traffic accident turns into the scene of a more sinister plot. Paige rushes to catch a sniper before anyone else gets injured. Dax struggles with a decision while he worries about the safety of his wife.
Collateral Damage (S4E8) Paige is called to a dead body in the campground when she arrives, she learns her victim is linked to a previous case. Can Dax continue to keep his secret or will Paige learn what he is hiding?