As Pride heads out to a deep sea oil rig to investigate a murder, the team discovers a potentially catastrophic gas leak; Sebastian starts his FLETEC training.
A teen with a large bag of fentanyl arrives at FBI headquarters looking for protection from the people who shot his father; Nina makes a proposal to Scola.
Team Scorpion sets out on what a seemingly easy job, but the mission goes sideways as Happy, Sylvester and Cabe begin to suffer life-threatening hallucination.
Happy and Team Scorpion work to save Happy's friend who lives in a sterile bubble due to her compromised immune system after a storm threatens her bubble.
In order to halt the proliferation of a deadly virus, Team Scorpion heads into the Amazon to find a monkey that holds within its body the cure for the virus.
Team Scorpion sets out to retrieve a pair of scientists inside a deteriorating biological research station, but they soon find themselves trapped inside.
The team arrives in Portland, Ore., to investigate a disturbing abduction that could have a connection to a couple who was murdered in their home a week before.
The theft of thousands of classified government files prompts the team to find a coalition of hackers who expose corruption co-founded by Elvis Bertrand.
The team hunts down an ex-Marine gone rogue after a federal corrections officer is shot; Tiffany's sister looks for help after their brother starts acting out.
An off-duty diplomatic security agent is fatally shot in New York, leaving the team wondering it the shooting might be connected to his time working in Croatia.