The final episode of David Tennant's US comedy Camping premieres on HBO in America and Canada at 10pm ET/PT at  tonight.

David Tennant and Jennifer Garner star as Kathryn and Walt, a not-so-happily married couple. A meticulously planned outdoor trip to celebrate Walt’s 45th birthday is derailed by uninvited guests and forces of nature, turning the weekend into a test of marriage and friendships.

In tonight's episode Walt's party descends into unexpected hookups and mayhem as Kathryn's camping weekend comes to an end.

Watch a clip below: