When a crisis at LAX prevents dozens of airplanes from landing, the government brings in a group of misfit geniuses to sort things out.

To fix a Los Angeles nuclear reactor that's on the verge of a cataclysmic meltdown, Walter and the team must reluctantly enlist the help of a troubled former member.

Team Scorpion enlists the help of a musician who created a controversial algorithm that generates hit songs to help find the murderer of a music blogger. Meanwhile, Drew asks Walter to help him connect with his son.

Team Scorpion try to protect Cabe's ex-wife, after she uncovers evidence that suggests foul play in the death of a prominent congressman.

On Christmas Eve, Team Scorpion races to find a way to save a young boy's life after he is trapped in a beachside cave and the rising tide threatens to drown him.

Team Scorpion is tasked with uncovering a mole inside the CIA who is being coerced into stealing deadly chemicals. Paige gives Walter a flirting lesson in preparation for the case.

Team Scorpion must jog the memory of an injured former Secret Service agent to prevent nuclear weapons from being launched. Meanwhile, Paige is torn when Drew suggests that moving to Maine might be the best for Ralph.

When a conflict in Eastern Europe threatens to escalate, Team Scorpion is called on to help facilitate secret peace talks to prevent World War III.

While on a mission to save lost hikers, Team Scorpion’s helicopter crashes, igniting a massive wildfire that quickly closes in on them. Also, Sylvester must help their injured pilot who is unable to make it to safer ground.

Walter finally learns Cabe’s long-kept secret regarding the Baghdad mission, and it threatens to tear Team Scorpion apart forever. Also, Paige’s world is rocked when Ralph puts his life in danger to help the team.

The new Director of Homeland Security, Adriana Molina, reunites the team when a nuclear powered Russian satellite is knocked out of orbit and must be diverted before it detonates over Southern California. Paige and Walter face their feelings for each other when hospital footage reveals that Paige kissed him.

Team Scorpion heads to Cuba when a woman from Cabe’s past pleads for him to help catch a Serbian war criminal.

Sylvester goes undercover in a federal prison in order to save the lives of three judges, but the team must help him escape when his life is threatened.

Walter, Cabe and Happy are trapped with the crew in a top secret submarine when an explosion sends it to the bottom of the ocean with limited oxygen and a self-destruct function that will soon activate.

Team Scorpion must stop a sabotaged runaway subway train with Paige and Ralph on board. Also, in his attempt to impress Happy, Toby has his first boxing match.

Team Scorpion goes undercover at a university to find a hacker who infiltrates the Federal Reserve and threatens to collapse the world economy.

The members of Team Scorpion brave subzero temperatures in Antarctica to save a United States Special Forces unit. Toby risks his life to save Happy.

After a powerful earthquake rocks Los Angeles, Team Scorpion must fix a pinched gas line to prevent a massive explosion.

After Sylvester scores big on The Price Is Right, Team Scorpion must infiltrate a high-end car smuggling operation about to ship bioweapons to South America.

Team Scorpion goes to Chernobyl to repair the decaying nuclear reactor before a catastrophic meltdown, but must also save Sylvester and Paige when they become trapped inside.