Apple TV’s acclaimed sci-fi drama will return for its fourth season in November. and the first teaser trailer has been released.

Set eight years after the events of season three, Happy Valley has rapidly expanded its footprint on Mars by turning former foes into partners.

Now 2003, the focus of the space programme has turned to the capture and mining of extremely valuable, mineral-rich asteroids that could change the future of both Earth and Mars.

But simmering tensions between the residents of the now-sprawling international base threaten to undo everything they are working towards. 

The show stars Joel Kinnaman, Wrenn Schmidt, Krys Marshall, Edi Gathegi, Cynthy Wu and Coral Peña along with new series regulars Toby Kebbell, Tyner Rushing, Daniel Stern and Svetlana Efremova.

Season four debuts on 10th November.