As Jason and the SEAL Team come closer to avenging the loss of Echo Team, Mandy takes matters into her own hands after her boss won't green-light her mission to take out their biggest target. Also, Jason is unsure of where he and Amy stand.
Jason leads the SEAL Team on a dangerous daytime mission where Sonny is wounded and must rely on Clay and his brothers to save his life. Also, Jason sees more of Amy, and Clay struggles with his long-distance relationship with Stella.
Jason and the SEAL Team close in on avenging the deaths of Echo Team when they find the money that funded their murder on a nearby poppy farm that was previously used to make heroin. Also, Jason meets an intriguing woman on the base.
Jason and the team must leave their families immediately when their deployment date is moved up after the team they were going to relieve is ambushed. Also, Jason and Alana make a big decision about their future, and Clay and Stella feel the weight of his marriage proposal.
While on a mission to retrieve a downed top-secret drone, Jason and the SEAL Team disobey orders so they can save Clay, who is trapped beneath a room full of armed terrorists. Also, Clay and Stella's relationship takes a new turn.
Jason and the SEAL team are sent to intercept the sale of nuclear weapons, but the mission goes sideways when they must make the treacherous journey back to base with nukes that have unsecured fuel rods. Also, Ray is sidelined with a shoulder injury, and Jason and Alana are shocked by their kids' reactions when the topic of their reunion is brought up.
Tensions are high when Jason and the SEAL Team enter a Yemeni house to locate a cell phone linked to a terrorist network, and interrogate the family while the daughter lays in critical condition after being accidentally shot.
Jason and the SEAL team must rescue a Russian scientist and his wife and bring them across the Afghanistan border to safety as Chinese and Russian Special Forces close in, intent on stopping them. Also, Clay endures his first day with Jason's unit.
Jason and the team must rescue an undercover CIA operative after she is captured by radical terrorists to be used as a bargaining chip. Also, Clay undergoes the final harrowing exercise for his candidacy into Tier One.
Jason and the SEAL team must navigate the contentious evacuation on an embassy in South Sudan when the country becomes increasingly unstable. Meanwhile, Clay and Stella take their relationship to the next level.
Jason and the SEAL Team refuse to abort a mission to capture a dangerous war criminal after it goes sideways. Meanwhile, Clay's controversial father, Ash Spenser, comes to town on his book tour and it's a chilly reunion.
Jason and the SEAL team must rescue a group of researchers being held hostage on a ship in the South China Sea. Meanwhile, Clay is ranked in the bottom five of his class, jeopardizing his future as a SEAL.
Jason and the SEAL team go on an evidence-collecting mission in Syria and discover innocent civilians in desperate need of rescue just as enemy forces close in on them. Meanwhile, the team debates whether to tell Ray that his wife has gone into labor.