![](https://image.tmdb.org/t/p/original/pPke3w8FSeyE0RDL7qDFyq0FK9d.jpg)
![](https://image.tmdb.org/t/p/w342/uXb0Pud0RIS0HQZNeXhgzSGr3EI.jpg)
Epsiode 4
The recruits work in pairs as they tackle the threat of chemical warfare and execute a fast-paced extraction in near-freezing water. Then, it's time for brutal hand-to-hand combat.
![](https://image.tmdb.org/t/p/w300/pPke3w8FSeyE0RDL7qDFyq0FK9d.jpg)
![](https://image.tmdb.org/t/p/w300/ItZesH3JYJusdIa19a1y6D13kJ.jpg)
![](https://image.tmdb.org/t/p/w300/wWyDP2zGWXtBYX68hrvSmPkwGaz.jpg)
Other episodes for this season
![Episode 1](https://image.tmdb.org/t/p/w300/pPke3w8FSeyE0RDL7qDFyq0FK9d.jpg)
![Episode 2](https://image.tmdb.org/t/p/w300/pPke3w8FSeyE0RDL7qDFyq0FK9d.jpg)
![Episode 3](https://image.tmdb.org/t/p/w300/pPke3w8FSeyE0RDL7qDFyq0FK9d.jpg)
![Epsiode 4](https://image.tmdb.org/t/p/w300/pPke3w8FSeyE0RDL7qDFyq0FK9d.jpg)
![Episode 5](https://image.tmdb.org/t/p/w300/pPke3w8FSeyE0RDL7qDFyq0FK9d.jpg)
![Episode 6](https://image.tmdb.org/t/p/w300/pPke3w8FSeyE0RDL7qDFyq0FK9d.jpg)
The recruits work in pairs as they tackle the threat of chemical warfare and execute a fast-paced extraction in near-freezing water. Then, it's time for brutal hand-to-hand combat.