The members of Team Scorpion are asked to help NASA with a top-secret rocket launch, but they must sabotage their own mission when Walter's date finds a bomb strapped to her chest.
Sylvester's father, a retired general, asks the team for help when he thinks a dictator in Africa has uncovered weapons of mass destruction from World War II.
The members of Team Scorpion brave subzero temperatures in Antarctica to save a United States Special Forces unit Toby risks his life to save Happy.
Team Scorpion must stop a catastrophe on Christmas Eve when heavy rain creates a large crack in a dam, putting an entire town in danger.
The members of the team go under cover at a university in order to track a hacker who is putting the world economy at risk.
When the team and Walter's parents visit Megan in the hospital, a deadly fungus outbreak occurs, forcing everyone into quarantine.
Team Scorpion is blackmailed into breaking into the United Nations to help with the assassination of an arms dealer Sylvester tries to protect Megan's wishes.
When a woman from Cabe's past asks for help apprehending a war criminal, the members of Team Scorpion travel to Cuba.
When a nuclear powered Russian satellite is knocked out of orbit, the new Director of Homeland Security reunites the team Paige and Walter confront their feelings.
When Walter's car ends up at the edge of a cliff, the fractured team must come together for their most important mission yet.
When Walter finally learns Cabe's secret about the Baghdad mission, the future of the team is threatened Ralph puts his life in jeopardy to help the team.
The team protects a witness who is on her way to testify against a dangerous drug cartel -- while the cartel is in hot pursuit.
As the members of team Scorpion try to save lost hikers, their helicopter crashes, igniting a large wildfire and injuring the pilot.
The team must facilitate peace discussions when a conflict in Eastern Europe threatens to escalate into World War III.
The members of the team travel to Mexico when the daughter of a tech billionaire is abducted Walter participates in an interview that leads to hurt feelings.
The team members go under cover on a cruise ship in order to locate and disable stolen rockets as Valentine's Day approaches, Ralph develops a crush.
Cabe's ex-wife needs the team's protection after she discovers evidence that suggests a prominent congressman's death involved foul play.
A musician -- who created a controversial algorithm to generate hit songs -- helps the team investigate the murder of a music blogger Drew seeks help connecting with his son.
Three convicts -- including a brilliant hacker -- escape from prison Paige tries to manage Ralph's expectations when his dad returns.
After being accused of destroying a priceless piece of art, the team must pass a mandated psych evaluation Paige asks the team for help when Ralph is hesitant to go to the school Halloween party.