THE official trailer for Pirates of the Caribbean: On Stranger Tides has been released and promises fans not only swashbuckling adventure and Jack Sparrow’s unique brand of humour, but romance too.

“On Stranger Tides” has Johnny Depp’s Capt. Jack Sparrow in search of the Fountain of Youth. Blackbeard, played by Ian McShane, is his nemesis this time. In between, there are mermaids. Lots and lots of mermaids.

Peep trailer below

In the film, which hits cinemas in May 2011, Jack Sparrow is hunting the fountain of youth wittily confronting mermaids, zombies and rival pirates in his quest.

The fourth instalment in the multi-billion dollar Disney franchise will also see Keith Richards reprise his role as Jack Sparrow’s father.