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Mystery at Poison Island
With a trail of new clues, Danny, Lexi and Violet travel across a dangerous chemical wasteland in Kazakhstan to Aralsk-7, an abandoned bio-weapons facility. Meanwhile, Chuck begins his investigation about how the Vatican and the Spirit Banner are connected.
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Other episodes for this season
![The Soul of Genghis Khan](https://image.tmdb.org/t/p/w300/wbFg5Y6CqPlhXrZDF95sSINaKl.jpg)
![Tales of the Golden Tiger](https://image.tmdb.org/t/p/w300/7u556NdXZ6Lhxuh0K0qYCHY78Er.jpg)
![Spoils of the Red Empire](https://image.tmdb.org/t/p/w300/pxXBm9snn0ZAXGXa4py6NPSULJJ.jpg)
![Into the Forbidden Zone](https://image.tmdb.org/t/p/w300/fv8KF1861fr0Trma65DlMRGpfOy.jpg)
![Enter the Dragon Gate](https://image.tmdb.org/t/p/w300/rNQm4tiaOhmVELsTV7W4ssELJeX.jpg)
![Mystery at Poison Island](https://image.tmdb.org/t/p/w300/5iViR0ddqguslpamO7Y2m29HryS.jpg)
![The Ravens of Shangri-La](https://image.tmdb.org/t/p/w300/rAGmRIYe6RabKmIkV3sroKyUGGh.jpg)
![The Lost City of Sana](https://image.tmdb.org/t/p/w300/atGs6X84idbVIReeUpsO6wCY0Uo.jpg)
![The Throne of the Khan](https://image.tmdb.org/t/p/w300/8h0H6Qc6ebIoP8oyISdR9bUBGtZ.jpg)
![The Secret History of the Mongols](https://image.tmdb.org/t/p/w300/1Xm9k79qMfzyYavO4z4XLvSd14.jpg)
![Raid on the Hidden Fortress](https://image.tmdb.org/t/p/w300/4lQqJezzN74hVVlNKG0SRnByI3m.jpg)
![The Year of the Rat](https://image.tmdb.org/t/p/w300/qB5MGi0OgV9qUmyFhC9h4Q4xjrw.jpg)
![Showdown in Hong Kong](https://image.tmdb.org/t/p/w300/wCmFv5Gu3EojRFO7DLWkIsvLgwe.jpg)