In the Season 3 finale, MacGyver faces off with a cunning new adversary whose carefully crafted plans put Mac at the epicenter of an impossible choice: save the life of a friend, or save the lives of hundreds of innocents. Also, Mac receives new information that will drive a wedge between him and his father.
Matty's ex, Ethan, asks her for help when a criminal organization, S-Company, kidnaps his wife and daughter, forcing Matty to decide if she's willing to commit treason in order to help him save his family. Also, Riley joins Billy Colton and Mama Colton on a mission to Paris and makes a heartbreaking discover
Two American tourists go missing while doing a "No-Go Scavenger Hunt" through some of the world's most dangerous countries. The Phoenix team goes undercover as backpackers to find them and bring them home alive.
The Phoenix must recover the body of a pilot whose plane crashed while testing an experimental laser mapping system that MacGyver designed. Also, Riley tries to identify the hacker who tricked a SWAT team into arresting her and Elwood.
An international crime boss offers Matty a deal she can't refuse: he'll surrender himself into her custody if he's allowed to return to the U.S. to watch his daughter walk down the aisle. MacGyver and team crash the wedding to ensure the crime lord doesn't run, only to discover they're not the only ones lying in wait at the event.
MacGyver takes Riley and Bozer into the wilderness for a weekend of survival training, but things take a turn when they run into a violent group of criminals who are searching the rugged backcountry for a lost crate of money. Also, Jack and Matty go on a road trip to place Matty's ex-husband and his family in witness protection.
Matty reveals a shocking secret to the team: she has a husband who's been undercover in a criminal organization called D-Company for eight years. When his status as a CIA agent comes out, Matty needs MacGyver to find and extract her husband before it's too late.
MacGyver and the team set off on a dangerous capture operation after an Irish military intelligence officer approaches them claiming to know the whereabouts of "The Ghost," a lethal bomb maker whom Mac has been hunting for years.
Matty sends MacGyver and team to Ghana to recover a hard drive from an e-waste landfill that is run by a powerful and violent man. But when Matty refuses to reveal what's on the drive, other than a mysterious file called "Dragonfly," the team speculates about what could be so important to her.
Murdoc abducts MacGyver's girlfriend, Nasha, to force Mac to help him rescue his son, Cassian, from a kidnapper. Also, a dangerous individual from Murdoc's personal life shows up, giving Mac a glimpse into the villain's past.
When Oversight's attempt to capture a cartel's leader goes bad, MacGyver and Jack rush to Mexico to pull their boss out while racing through the heart of the country during Dia de Muertos celebrations. Also, Bozer and Riley use Halloween as a distraction to gather intel on a man accused of treason.
MacGyver, Riley and a distraught father must find a way to drive a tanker filled with liquid oxygen through a region occupied by rebels and deliver it to a children's hospital before they run out. Also, Riley helps MacGyver decide whether or not to allow his father back into his life.
MacGyver, Riley, Bozer and Leanna go undercover on a college campus to smoke out a deep-cover operative who is recruiting students to carry out deadly attacks around the world. Also, Jack joins bounty hunter Billy Colton in the hunt for a bail jumper but is concerned when he finds out Billy offered Riley a job.
Jack receives an emergency distress signal from one of his old Delta buddies who is falsely accused of terrorism in a foreign country, so MacGyver and Jack quickly recruit the rest of Jack's old Delta team and stage an unsanctioned rescue op.
The Season 3 premiere: Three months after quitting the Phoenix Foundation and moving to Nigeria, Mac puts aside his differences with his father and returns when he hears Jack is the target of a murderous dictator he double-crossed.