Nat Geo Airing Bin Ladin Marathon

On the heels of Osama bin Laden’s death, the National Geographic Channel is replacing its primetime programming this week with shows related to the 9/11 attacks and the hunt for bin Laden that followed. Presentations will be updated with new narration and footage to reflect the latest developments.

Tonight’s show, “Inside 9/11, War on America,” traces the terrorist activities aimed at U.S. targets in the 1990s leading up to the 9/11 attacks. For the rest of the week, shows include “Witness: DC 9-11,” “Giuliani’s 9-11,” “Inside the Green Berets,” and seven-plus hours of coverage Saturday, concluding with “Inside 9-11: Zero Hour.”