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The Spoilers
After MacGyver witnesses someone dumping toxic waste that's polluting mountain streams, he and Pete enlist a reclusive mountain man nicknamed "Earthquake" to help lead them to the culprit. Things become complicated, though, as Earthquake's flashbacks to his military service in the Vietnam War make him unstable and threaten their case.
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Other episodes for this season
![Lost Love (1)](https://image.tmdb.org/t/p/w300/m7KFrm03WvwPdrQ199wBeIw28VF.jpg)
![Lost Love (2)](https://image.tmdb.org/t/p/w300/gXPhPFLHjRSJgt1o8DuPhvBEm7y.jpg)
![Back From the Dead](https://image.tmdb.org/t/p/w300/wDFe5nmsmVM96zFMydkXkKsbIgS.jpg)
![Ghost Ship](https://image.tmdb.org/t/p/w300/oG4qReexmZpjEzhBLNe8uI7OxKc.jpg)
![Fire and Ice](https://image.tmdb.org/t/p/w300/dB2K3z0wXFSGAX07q4wktTNegun.jpg)
![GX-1](https://image.tmdb.org/t/p/w300/7LTZV7kzcsfUnGi9q66zRkmZgfz.jpg)
![Jack in the Box](https://image.tmdb.org/t/p/w300/c90m1Qdt1hldFNZKjnqlehS0O6R.jpg)
![The Widowmaker](https://image.tmdb.org/t/p/w300/6GqAijJrcJSJzbcmTe0ep6Pka8T.jpg)
![Hell Week](https://image.tmdb.org/t/p/w300/5A6JG9LiNeKgcZLohi8tJyNdCnW.jpg)
![Blow Out](https://image.tmdb.org/t/p/w300/5UNAwOQpfRyARXlPSInhEWmv3w7.jpg)
![Kill Zone](https://image.tmdb.org/t/p/w300/v2DsjDJKTwWFm1iUGB19L0OLxO9.jpg)
![Early Retirement](https://image.tmdb.org/t/p/w300/d0jF9ch421sZIdKo5YN6pyd0KsI.jpg)
![Thin Ice](https://image.tmdb.org/t/p/w300/6tGsrwAX7PB7WPtWrJzgqzCIvaA.jpg)
![The Odd Triple](https://image.tmdb.org/t/p/w300/tgjJDATchcxnztkmu9rSqN4YxDC.jpg)
![The Negotiator](https://image.tmdb.org/t/p/w300/2UJI91upupnlOwqfD8sl3Sli8Ze.jpg)
![The Spoilers](https://image.tmdb.org/t/p/w300/m52RNg3OFiyAVCl0d8gAMkymXJG.jpg)
![Mask of the Wolf](https://image.tmdb.org/t/p/w300/o5CDvGtGI9ZkG2ULxOX8AFJVYQY.jpg)
![Rock the Cradle](https://image.tmdb.org/t/p/w300/iqdNkBkr6Cq7rI0dIpmNjPAIFU.jpg)
![The Endangered](https://image.tmdb.org/t/p/w300/jHiYVev4MJwcF58KWlA7GWKFSK3.jpg)
![Murderer's Sky](https://image.tmdb.org/t/p/w300/4Hkl7IadeZQuZOZmwr2n06hIzi9.jpg)