Episode 1 | Pilot

Walter O'Brien and his team of super geniuses are assigned, by the government, to help land airplanes after the communication system shuts down.

Episode 2 | Single Point of Failure

The Scorpion team races to find who used a genetically targeted virus on four children, one of whom is the daughter of the governor. This case strikes close to home for Walter and Agent Gallo.

Episode 3 | A Cyclone

After Team Scorpion fails a military training mission, they are determined to prove their worth to Cabe and Homeland Security when a bomber threatens to take out the internet infrastructure of the entire Southwest.

Episode 4 | Shorthanded

When Team Scorpion goes to Las Vegas on a mission in a casino, Walter is framed for a robbery.

Episode 5 | Plutonium Is Forever

Walter and his team try to prevent a decommissioned nuclear plant from melting down, aided by a former member of scorpion.

Episode 6 | True Colors

Hetty Lange helps the scorpion gang solve a high end art fraud.

Episode 7 | Father's Day

The team is trying to capture escaped convicts from prison.

Episode 8 | Risky Business

Scorpion asks a music artist for help after he creates an algorithm that can produce popular songs and may find the killer of a music blogger; Drew asks Walter to help find a way to make a connection with his son.

Episode 9 | Rogue Element

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

Episode 10 | Talismans

The team must recover stealth technology from a military plane that was shot down in Bosnia. Walter's sister visits with Sylvester at the garage.

Episode 11 | Revenge

Sylvester is seriously injured when he accidentally triggers an explosive device during an investigation, and Team Scorpion searches for who is responsible.

Episode 12 | Dominoes

A 10-year-old boy is trapped in a rockslide/sinkhole near the beach. The team must find a way to rescue him before the rising tide fills it up with water.

Episode 13 | Kill Screen

The team tries to help Ralph when he is taken by the FBI for questioning after his web game play unintentionally reveals a CIA safe house's location.

Episode 14 | Charades

Team Scorpion is tasked with uncovering a mole inside the CIA whose judgment is clouded by matters of the heart and is being coerced into stealing deadly chemicals. Also, in preparation for the case, Paige gives Walter a flirting ...

Episode 15 | Forget Me Nots

The team works with an injured former Secret Service agent, attempting to restore his memories to avoid a nuclear launch from a secret US silo.

Episode 16 | Love Boat

Team Scorpion goes undercover on a cruise ship to locate and disable deadly stolen rockets. Meanwhile, as Valentine's Day approaches, Toby and Happy help Ralph, who is in the throes of his first crush.

Episode 17 | Going South

A tech billionaire hires the team to rescue his kidnapped daughter. Meanwhile, feelings are hurt when Walter gives an interview and fails to acknowledge the other members of the team.

Episode 18 | Once Bitten, Twice Die

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.

Episode 19 | Young Hearts Spark Fire

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.

Episode 20 | Crossroads

To protect a key witness who is en route to testifying against a deadly drug cartel, Team Scorpion takes her on the run, with the cartel hot on their heels.

Episode 21 | Cliffhanger

Walter learns Cabe's long-hidden secret regarding the Baghdad mission and it threatens to tear Team Scorpion apart. Meanwhile, Ralph puts his life in danger to help the team.

Episode 22 | Postcards from the Edge

Team Scorpion is torn apart and uncertain about their future as a unit, but they are forced to come together to save Walter's life when his car teeters on the side of a cliff.