Paramount Home Media Distribution has made Star Trek Into Darkness available digitally today, August 20th in the iTunes US store. The HD version of the film is priced at $19.99 along with a standard definition version for $14.99. The digital version of the film has been made available three weeks before coming on Blu-ray and DVD in the US on September 10. It appears to be only available to US iTunes customers.

Star Trek Into Darkness will released in the UK on September 2. 

iTunes Extras – Bonus Content

Go behind-the-scenes with the crew of the U.S.S. Enterprise with iTunes Extras. Get a first-hand look at the making of Star Trek Into Darkness in an all-new, exclusive, enhanced commentary with filmmaker J.J. Abrams. See how filmmakers brought the red planet and its native tribe to life, find out how, and why, the identity of the film’s true villain was kept a mystery to the very end, and sit in with Zachary Quinto and Benedict Cumberbatch as they revisit their intense preparation for the film’s action-packed climax.

Star Trek Into Darkness is also available from Amazon US Instant Video:

Standard for $14.99 

HD for $19.99

Behind-the-Scenes Clip and Concept Art (ComingSoon.net)

Behind the Scenes with Zachary Quinto (ParamountMovies)

IGN have an exclusive video featuring J.J. Abrams, Damon Lindelof and Benedict Cumberbatch talking about his character.

Bonus Opening Scene (Yahoo! Movies)