Brown-Forman has unveiled the latest instalment of its 'Whatever's Comfortable' TV campaign for its Southern Comfort brand. 

The 70-second spot - called 'Shark' - will debut on US TV tonight. A company spokesperson said the ad will run to the end of 2014 across "various networks including NBC, ABC, TBS, TNT, ESPN, Comedy Central, Discovery and others". 

The 'Whatever's Comfortable' campaign started in August 2012, featuring a man walking on a beach.

Last month, Brown-Forman launched a lemonade and lime pre-mix version of Southern Comfort as a UK exclusive