Undercover agents of the anti-smuggling team prepare for another mission.
(02:39)Undercover agents work to shut down a house suspected of harbouring illegal immigrants.
(03:01)The Blackhawk crew shifts into night operation mode to track down smugglers.
(02:43)It is the moment of capture. A Great White takes the bait, now every second and every action counts for the Shark Men.
(03:00)Scientists and Fishermen work together to bait the Great White, but they don't always see eye-to-eye.
(03:02)Blood samples are needed from a female Great White to determine whether Sharks are mating at Guadalupe Island, or not.
(03:01)Immense lines carved into the ground covering hundreds of square kilometres. What do they mean?
(01:26)Discover how these huge and mysterious shapes, taking days of labour in burning heat, were constructed.
(02:47)Discover how Greek mythology inspired the decor for the 4,700 square metre dining hall.
(03:00)For all its beauty, Aliwal is still a wilderness, governed by the strict laws of nature.
(03:03)Spectacular! a territory dominated by coral.
(03:03)The Bahamas was once a thriving eden… what happened?
(02:50)Underwater Caves. Where the past stares right back at you.
(01:14)Flying Squad detectives and ex villains talk about the reputation of the elite police unit.
(01:53)The splinter group realise that life on the street isn't easy!
(01:39)An interview with the owner of the land where the Saxon Gold was discovered.
(01:21)See Arthur Thompson's journey from humble racketeering to become one of Glasgow's biggest gangsters.
(05:42)Get the low down from the coppers who were on the front line of crime.
(06:18)Unlike anything seen on earth, space storms get wilder the further away from our planet and into the solar system we travel.
(01:01)A solar storm as the biggest natural disaster imaginable, one that would turn America into a third world country.
(03:02)