On December 26th, 2004 a massive earthquake in the Indian Ocean sets off a tsunami that, within minutes, arrives in the bustling city of Aceh, causing unprecedented havoc and devastation. This four-part documentary follows the desperate struggle to survive of city-dwellers in Indonesia and tourists in Thailand caught in the unfolding catastrophe, as well as the scientists working against the clock to warn the world. Discover the power of the human spirit through stories of hope, hardship, and he

In the aftermath of the deadliest tsunami in history, many locals and tourists are stranded. Survivors from around the world work together to save lives and are able to achieve some miraculous rescues. However, as the water recedes, the true scale of the disaster becomes clear. Parts three and four of Tsunami: Race Against Time premiere tonight at 9pm on National Geographic UK. | National Geographic UK