24 Hours After: Asteroid Impact

Travel back 66 million years ago when a meteor struck the Earth, wiping out three-quarters of all life on the planet. What happened in those first hours? Why did some creatures survive while nearly all others perished? Using computer graphics and real-world recreations, National Geographic reveals the likely effects of the catastrophic impact that changed the world forever and examines who won, who lost, and why.

• Jonathan HalperinDirector
• Jaime BernankeWriter

• Peter CoyoteNarrator
• Dan DurdaScientist
• Kirk JohnsonCast
• Douglas S. RobertsonCast
• Peter H. SchultzCast