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

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

Team Scorpion’s mission to recover the remains of fallen Marines in Vietnam is threatened along with their lives when a deadly tornado heads directly towards them.

Team Scorpion’s simple job at the Los Angeles Natural History Museum turns deadly when they discover thieves robbing a rare gem exhibit in order to get materials needed to enrich a nuclear bomb.

Walter and Sylvester enter an international chess competition under cover on foreign soil for Team Scorpion in order to extricate a U.S. spy before her identity is exposed.

Team Scorpion help Toby and Happy race to the altar to say “I Do” after a simple job extinguishing a tunnel fire becomes catastrophic.