This short-horned chameleon in Madagascar stars in "Reptiles & Amphibians," one of the 11 segments of the Discovery Channel natural history series Life. It premieres simultaneously on TLC, Animal Planet, Science Channel, Investigation Discovery, Planet Green and Discovery Health Channel at 8 p.m. EDT on Sunday, March 21. Inaki Relanzon/ Channel/BBC hide caption

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Timothy Olyphant plays a U.S. marshal who gets transferred back to his Kentucky hometown after outdrawing and killing a bad guy in Miami. FX/Sony hide caption

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Eight months after Pearl Harbor, the 1st Marine Division landed on Guadalcanal. Actors Tom Budge, James Badge Dale and Joshua Helman portray World War II marines Ronnie Gibson, Robert Leckie and Lew 'Chuckler' Juergens in the HBO miniseries The Pacific. Andrew Cooper/HBO hide caption

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On the season premiere of Lost, the aftermath from Juliet's detonation of that hydrogen bomb is revealed. Mario Perez/ABC hide caption

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