DIRECTV is now holding a free preview of eight High-Definition channels, including several movie networks.

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The preview, which began last week, will run until Wednesday, August 16.

The channels in the free preview make up the ‘DIRECTV HD Extra Pack,’ which normally costs $4.99 a month, although the satcaster will sometimes offer them for free for three months if asked.

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The Extra Pack channels are: HDNet Movies, Sony Movie Channel, Shorts HD, MGM, Hallmark Movie Channel, Crime & Investigation HD, Palladia HD, and Smithsonian HD (Pictured above: The Thomas Crown Affair, which will air this week on the MGM Channel)

— Phillip Swann