Discovery Offers HD Preview of 'Planet Earth'

[Gregg Lengling]

ncludes Behind-the-Scenes Footage

Discovery HD Theater is offering a preview of the upcoming 11-episode Discovery travelogue series "Planet Earth."

The one-hour episode "Forests" will debut on HD Theater tomorrow tonight, ahead of the official premiere March 25. The preview will include the episode, behind-the-scenes footage and previews of upcoming episodes. The episode also will be available on Discovery On Demand, which Comcast carries in HD.

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