The team investigates an increase in ATM kidnappings when a woman who was abducted and forced to withdraw money is murdered Charlie meets the investigator who will decide the fate of his FBI security clearance.
Robin, an old flame of Don's, returns to prosecute an incarcerated criminal, but when three witnesses involved in the case are murdered, Don and the team fear she will be the next victim.
During a bust of an inner-city meth lab, Don's instinct leads to the arrest of a bystander who has a greater scheme planned.
A serial rapist uses his position as a police officer to ensnare his victims.
Charlie becomes the target of physical intimidation aimed at disrupting his work on the case of a missing investigative journalist.
A former FBI subcontractor shoots an agent at headquarters and takes a hostage, leaving the team with severely limited options.
A comic-book convention becomes a crime scene when a deadly robbery leads to the disappearance of an extremely rare comic book.
Don's team tries to find the captors of an heiress who was abducted to punish her industrialist father.
Ellis is drawn into a case involving Max, her ex, and a world-famous Imperial egg, where a cat-and-mouse heist tests their friendship, their partnership, and their trust in each other.
A harmless porch pirate case leads Max and Ellis to stumble upon the murder of a cutthroat sports agent.
When Ellis, a loner detective relegated to the marine unit, collides with Max, a clever con artist, the city's commissioner forces the two unlikely opposites to become partners.
Ellis makes a shocking discovery about the criminal kingpin responsible for Daniel's death, and who is protecting him Max, George and Ricky try to solve the cryptic clues hidden in Ashford's office.
Ellis gets new information that leads him to a jazz club and possibly the person responsible for Daniel's death Max poses as a singer at the club to gather intel George goes before the parole board.
The team is called upon by the governor when a virus leaves his daughter with only 24 hours to live Walter receives a letter about his sister.
When a crisis at LAX prevents dozens of airplanes from landing, the government brings in a group of misfit geniuses to sort things out.
The team heads to Northeast Africa, where they must carefully navigate a minefield to save the lives of local villagers Paige and Walter's relationship takes a shocking turn Toby and Happy make an important decision.
Paige's maternal side goes into high gear when an unconscious boy gets stuck in the wheel well of an airborne airplane Walter's white lie to Paige starts to take a toll on him Paige realizes something is amiss.
Team Scorpion must use their high IQs to win a softball game Walter's secret night out with Florence puts Toby and Happy on edge.
Power is knocked out in Los Angeles, and the team must help a teen pilot and his girlfriend who are lost over the Pacific without any radio contact Walter must look after a group of Ralph's classmates Cabe tries to tell Allie that he loves her.
The team must work with Toby's nemesis and his wife -- Toby's ex-fiancée -- when they are locked inside an artificially intelligent doomsday bunker that aims to kill them Walter is distracted by a dream in which he married Florence instead of Paige.