Marking 20 years since one of the deadliest natural disasters in history, Tsunami: Race Against Time takes a 360-degree look at the 2004 Indian Ocean tragedy. | National Geographic Africa

The 2004 Indian Ocean tsunami caused incredible destruction, and the moments that followed were harrowing for the survivors. #TsunamiRaceAgainstTime is now streaming on Disney and Hulu. | National Geographic History

Twenty years ago today, on December 26th, 2004, a massive earthquake triggered the deadliest tsunami in recorded history. Multiple waves hit coasts through Southeast Asia, South Asia, Africa and beyond. Both tourists and locals scramble for safety, as the extent of the waves and their destruction become apparent. Discover the power of the human spirit through stories of hope, hardship, and heroism from the 2004 Indian Ocean tsunami. Watch Tsunami: Race Against Time tonight from 5pm, on National