Episode 1 | Extinction

Team Scorpion must work with their old nemesis Mark Collins in order to prevent the extinction of mankind.

Episode 2 | More Extinction

The team continue to work with their nemesis to prevent an extinction level event. Cabe makes a last minute decision that may endanger his career.

Episode 3 | Grow a Deer, A Female Deer

The team tries to save an endangered, pregnant deer that was shot by poachers. Happy and Toby discuss the future of their family.

Episode 4 | Nuke Kids on the Block

During the decommissioning of an old nuclear missile, the team is exposed to toxic vapor. Paige doesn't want Happy to tag along with her and Walter.

Episode 5 | Sci Hard

Team Scorpion is taken hostage during a tech convention.

Episode 6 | Queen Scary

At Halloween, Team Scorpion takes on a case to prove the existence of ghosts on the Queen Mary but find an all-too-real disaster when they locate a "ghost ship" on a deadly collision course. Also, Walter considers taking note of P...

Episode 7 | Go with the Flo(rence)

A device that can prevent a nuclear meltdown is lost in the LA sewers and it is up to team Scorpion to find it while dealing with a new tenant next door.

Episode 8 | Faire Is Foul

The team goes to a renaissance festival but the revelry is short-lived when a group tries to rob a police evidence locker. Paige tires of Walter pointing out the anachronisms at the festival.

Episode 9 | It's Raining Men (of War)

On Thanksgiving, Team Scorpion is tasked with destroying a floating island of plastic.

Episode 10 | Crime Every Mountain

Team Scorpion tries to help a father and daughter involved in a plane crash. The team tries to help Cabe prepare for his trial. Paige helps Walter deal with his feelings about Cabe's possible prison future.

Episode 11 | Who Let the Dog Out ('Cause Now It's Stuck in a Cistern)

It's time for Cabe's trial and the team are anxious to know the outcome. They channel their nervous energy into saving a dog stuck in a cistern.

Episode 12 | A Christmas Car-Roll

Walter takes a fall and is knocked out, his unconscious mind dreams of a world where Team Scorpion never existed.

Episode 13 | The Bunker Games

Team Scorpion is locked in a doomsday bunker with artificial intelligence bent on killing them.

Episode 14 | Lighthouse of the Rising Sun

A solar storm knocks out power in Los Angeles, and Team Scorpion must help a teen pilot and his girlfriend who are lost over the Pacific without navigation or radio contact. Also, during the crisis, Walter must look after a group ...

Episode 15 | Wave Goodbye

Team Scorpion must keep a tsunami from destroying a vulnerable nuclear plant. Toby helps his ex-fiancée recover her stolen identity.

Episode 16 | Nerd, Wind & Fire

When a helicopter crashes on top of a skyscraper on Valentine's Day, Team Scorpion must set aside their romantic plans and put them on hold to help save a doctor and pilot trapped inside the crashed chopper. Meanwhile, Happy and T...

Episode 17 | Dumbster Fire

After team Scorpion's mental faculties are impaired during a job to prevent the creation of a black hole, Paige must simplify the science for them. Florence and Sylvester grows closer after she helps him with a special project.

Episode 18 | Dork Day Afternoon

Team Scorpion is taken hostage after they inadvertently disrupt a bank heist.

Episode 19 | Gator Done

The team heads to the bayou to track down an alligator and stop a mosquito-born outbreak. Paige teaches Walter the concept of a "white lie". Toby must save Cabe's life after he is shot with a tranquilizer by Walter. Sylvester and ...

Episode 20 | Foul Balls

The team must use their IQs to win a softball game when challenged by the director of homeland security to a game with all future contracts on the line.

Episode 21 | Kenny and the Jet

Team Scorpion must save an unconscious, hypothermic boy stuck in the wheel well of their airborne plane; Paige realizes something's up when Walter's white lie takes a toll on him.

Episode 22 | A Lie in the Sand

Team Scorpion heads to Northeast Africa where they must carefully navigate a minefield in order to save the lives of local villagers. Also, Paige and Walter's relationship takes a shocking turn, and Toby and Happy make an importan...