|Treason + Heartbreak + Gum|
|Season 3, Episode 21|
|Air date||May 3, 2019|
|Written by||Nancy Kiu & Lindsey Allen|
|Directed by||Stephen Herek|
No-Go + High-Voltage + Rescue
Mason + Cable + Choices
Matty's ex-husband, Ethan, asks her for help when a criminal organization kidnaps his wife and daughter; Matty must decide if she's willing to commit treason to help Ethan; Riley joins Billy Colton and Mama Colton on a mission to Paris.
- Ethan reigns is taken to prison for treason.
- Riley breaks up with Billy Culton.
- When Mac, Desi, and Bozer are trying to figure out how to break into the building where Roth is holding Ethan's family hostage, Bozer asks, "So how do we Batman ourselves in to save Ethan's family?"
- NOC is short for Non-Official Cover.
- Metal bars driven into the bricks with masonry anchors, would require a lot of force to remove, thus a nylon hose in tandem with the pulley and gears will provide the Mechanical Advantage to pull out the steel bars.
- Lucas Till as Angus MacGyver
- Tristin Mays as Riley Davis
- Justin Hires as Wilt Bozer
- Meredith Eaton as Matilda Webber
- Levy Tran as Desiree Nguyen
- Brendan Hines as Ethan Reigns
- Lance Gross as Billy Colton
- Sheryl Lee Ralph as Mama Colton
- George Tchortov as August Roth
- Jeff Bachar as Sammelier
- Diana Chiritescu as Ava Malone
- Mahdi Cocci as Agent
- Moses Das as Attaché
- Marissa Chanel Hampton as Phoenix Tech