At Madrid Airport, a Chinese couple's huge amount of luggage raises suspicion. The border police try to catch a catch a criminal gang breaking over the Gibraltarian frontier

Customs agents get a tip-off about suspicious merchandise coming in from the Middle East. Plus, a sword and animal claws are found in a bag at Madrid Airport

Phil Torres and Heather Amaro board the USS Hornet, a haunted WWII aircraft carrier, and explore its eerie decks guarded by sailors beyond the grave.

Andrew Bustamante chases conspiracy theories around mysterious craft in New Jersey's skies, to reveal the real force behind the sightings that sent locals into a panic.

Part two of two. A potential disaster plagues the Kellys, prompting a bail-out from Chris McCully. Shawn and Vernon try their luck in deeper waters

Mark and Digger risk tapping into their liquor reserves. Josh's rookie partner makes an explosive mistake, and Tim experiments with a new plant

Buying goods from the comfort of home

Buying goods from the comfort of home

How male humpback whales can sing for several days with no vocal cords - and why they do it in the first place. Plus, how anteaters are able to eat so quickly

The programme examines how ostriches can run so fast, dogs' ability to pick up scents underwater, and how and why fireflies glow

Experts answer more questions about the animal kingdom, including what lions are saying when they roar and what leafcutter ants do with all the leaves they collect

Why domestic cats have trouble getting down from trees and why kiwi birds lay monster-sized eggs compared to their size

The process that caterpillars go through to transform into magnificent butterflies while in their cocoon. Plus, the facts about cats' tongues

Why some cats are cross-eyed, how meerkats are able to eat poisonous scorpions and hippos' ability to sleep while holding their breath

Fisherman and adventurer Jeremy Wade travels to Australian island of Tasmania in search of a colossal freshwater beast on the verge of disappearing for ever

Angler and adventurer Jeremy Wade travels to South Africa in search of some of the world's most unusual fish

Shark filmmakers Andy Casagrande and Jeff Kurr seek the second breaching great white to uncover secrets that make history in New Zealand's waters

When golden nuggets mysteriously dry up on a couple's claim in British Columbia, the guys must crack the case: is it the miners or the mine?

Freddy and Juan face the daunting challenge of unravelling an underground mystery buried beneath a dried riverbed at a couple's Oregon claim

Freddy and Juan rescue their first all-female mining crew, who are plagued by constant shutdowns on Arizona land rich in legendary gold

On a Montana claim run by two rookie miners, Freddy follows signs of old mining tunnels and uses new technology to uncover ancient gold

A BC miner is going broke on the banks of the gold-rich Fraser River. Freddy and Juan must Franken-build a wash plant to save the father-and-son mine

When a personal crisis hits, it's up to Juan to pull off a masterclass in jig upgrades to save a family's $1.2M mining investment in British Columbia