HBO has released a new teaser for the upcoming final season of Boardwalk Empire.

The short video is entitled One is the Loneliest and features several characters, including Steve Buscemi's crime boss Nucky Thompson, walking alone.

The clip also features the taglines: 'All empires fall' and 'No one goes quietly'.

It was recently revealed that the show will jump forward seven years in its final run.

Boardwalk Empire returns for its fifth and final season in September on HBO in the US, and on this side of the world on Sky Atlantic.