A case gets personal for Team Scorpion when three convicts break out of prison and one of them is a brilliant hacker who was forced to help the others steal billions online. Meanwhile, Paige must manage Ralph's expectations when his father returns.

The episode was rated 7,71 from 1955 votes.

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.

The episode was rated 7,74 from 2107 votes.

The Governor calls on Team Scorpion when his daughter is mysteriously "bio-hacked" with a deadly virus and has only 24 hours to live. Meanwhile, the case takes on a deeper significance for Walter after he receives a letter regarding his sister.

The episode was rated 7,74 from 2662 votes.

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 lesson.

The episode was rated 7,74 from 1384 votes.

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.

The episode was rated 7,75 from 1864 votes.

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

The episode was rated 7,77 from 1865 votes.

Against Cabe's advice, Team Scorpion heads to Las Vegas for a simple casino job, but a robbery leads to Walter's arrest and the rest of the team is left to clear his name.

The episode was rated 7,78 from 2210 votes.

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.

The episode was rated 7,79 from 2350 votes.

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 episode was rated 7,80 from 1685 votes.

When a crisis at LAX leaves dozens of airplanes unable to land, the government enlists a team of misfit geniuses to save the day.

The episode was rated 7,82 from 3321 votes.

Team Scorpion must pass a mandated psych evaluation or face being disbanded after they're accused of destroying a priceless work of art in an attempt to protect an art exhibit. Meanwhile, Paige enlists the help of the team when Ralph is reluctant to go to his school's Halloween party.

The episode was rated 7,84 from 2069 votes.

When a military plane is shot down in Bosnia, Team Scorpion must help recover its stealth technology before it falls into enemy hands. Meanwhile, Walter's sister takes a break from her MS treatment and spends time at the garage with Sylvester.

The episode was rated 7,84 from 1782 votes.

When Sylvester accidentally triggers an explosive device during an investigation, Team Scorpion must focus on finding who's responsible even while their friend's life hangs in the balance.

The episode was rated 7,84 from 1766 votes.

Scorpion, torn apart and uncertain about their future as a team, must come together for their most important mission yet – to save Walter’s life as his car teeters on the side of a cliff.

The episode was rated 7,96 from 1700 votes.

As Christmas approaches, Team Scorpion races to find a way to save a young boy's life after he gets trapped in a beachside cave and drowning is imminent.

The episode was rated 8,01 from 1710 votes.