Sky History 2 Tuesday

Chile has the highest number of UFO sightings of anywhere on Earth. Here, incredible footage of a strange craft has people asking again about the reasons why

Teenager 16-year-old Ron Johnson, who claimed to have witnessed a mushroom-shaped object emitting a near-blinding light while feeding the family sheep in a field

Two brothers out hunting in Idaho witness something that defies explanation, and a strange metallic craft passes over Antananarivo on the island of Madagascar

Alice Roberts finds out about discoveries that shed light on the Tudor Age, including an excavation at Shakespeare's first theatre in London's Shoreditch

Andy McGrath explores Devon's pre-history in an ancient cavern and takes a crime-through-time tour of Dartmoor's prison museum

Things get worse when the shop's landlord appears, and Ton tries to negotiate with him while Allen puts an experimental parachute to the test

Ton and Allen fight back when a storeowner seems intent on preventing them from scoring new items in Santa Barbara. Plus, the guys discover a vintage wooden boat

The stories of remarkable feats of military engineering, featuring how an American GI and his Harley motorbike became a legend