For those looking to rewatch, "X-Ray + Penny" is available for streaming on platforms like Paramount+ . MacGyver Season 2 Episode 4 Science Notes: X-Ray + Penny
For fans of the high-octane 2017 reboot of MacGyver , , titled " X-Ray + Penny ," is widely considered one of the series' most intense and defining chapters. This episode brings the psychological warfare between Angus MacGyver and his psychopathic nemesis, Murdoc, to a boiling point. Episode Overview: A Game of Cat and Mouse [S2E4] X-Ray Penny
In true MacGyver fashion, Angus doesn’t stay a victim for long. While restrained and drugged, he manages to use a simple to pick his locks and escape Murdoc's clutches. This sequence highlights the core of the show: Mac's ability to remain calm and analytical even when his own body is failing him. For those looking to rewatch, "X-Ray + Penny"
Once free, Mac reunites with the Phoenix Foundation team—Jack Dalton, Riley Davis, Wilt Bozer, and Matty Webber—to stop Murdoc’s next target: a high-profile victim already in the killer's sights. Episode Overview: A Game of Cat and Mouse
As explored in various MacGyver Science Notes , the episode’s title refers to , a real-world technique used to identify elements within materials. In the show, Mac uses this concept—specifically using X-rays on film to produce infrared light detectable by cameras—to solve a critical puzzle.
Behind the scenes, the episode was praised for its grittier tone. Director Bethany Rooney used specialized headgear cameras to give viewers a claustrophobic, "first-person" view of Mac’s harrowing time in Murdoc’s lair.
"X-Ray + Penny" is pivotal because it deepens the "villain-hero" dynamic. We see Murdoc not just as a contract killer, but as a man who values his "work" as art, finding MacGyver the only human he finds "less repulsive than most". It also sets the stage for the recurring theme of MacGyver’s family history, which remains a central mystery throughout the second season. Lucas Till as Angus "Mac" MacGyver David Dastmalchian as Murdoc George Eads as Jack Dalton Tristin Mays as Riley Davis