Amazon is offering up The Dark Knight for purchase for only $4.99 through their Video On Demand service.

This digital deal is only for today, Wednesday, August 25, so grab it while you can. The digital version is regularly $9.99. The 48-hour rental of the film is $2.99.

Visit The Dark Knight product page to purchase the film.

The Dark Knight reunites Christian Bale with director Christopher Nolan and takes Batman across the world in his quest to fight a growing criminal threat known as The Joker (Heath Ledger).

Visit the Video on Demand page to learn more about the service (you can stream the film right on your computer, or download it to you PC, and more).