Sky History 2 Wednesday

Expert investigations into the possibility that reptilian aliens are more than a pop-culture creation and a favourite of works of science-fiction

Investigations into whether ancient tales of beings with super-human powers could be inspired by extra- terrestrials who came to Earth in the past

The events of June 1968 when, less than five years after US President John F Kennedy had been killed by gunshot, his brother Robert met the same fate

Experts explore how the ambush has revolutionised warfare with the benefit of undetected weapons, from the caltrop to the insidious land mine

An exploration of Nazis and cannibals in the Black Forest, Russia's tectonic terror weapon and jungle guerrillas on the warpath

Expert investigations into the possibility that reptilian aliens are more than a pop-culture creation and a favourite of works of science-fiction

Investigations into whether ancient tales of beings with super-human powers could be inspired by extra- terrestrials who came to Earth in the past

Beau Ouimette and Rick Edwards seek artefacts from William the Conqueror's era in the stretch of the River Avon near Salisbury

Tony Robinson hikes up from Lyme Regis in Dorset to the Somerset Levels telling the story of the 1685 Monmouth Rebellion, an attempt to overthrow James II

Exploring the legend of Odysseus, the Greek king of Ithaca. Divers investigate whether Homer's tale of vengeful gods could have been true after uncovering ancient remains

Experts explore how the ambush has revolutionised warfare with the benefit of undetected weapons, from the caltrop to the insidious land mine

Scientists study claims of a dead mermaid discovered and preserved in Japan. Plus a glowing-eyed sea creature captured on video chasing a motorboat

The billion-dollar horde buried deep beneath the deserts of Utah, the massacre so horrific it was captured from space and the ice cave of the Norse fire God

First-hand accounts from seasoned, decorated police officers who have had unbelievable but substantiated UFO encounters

Maisie Adam, Desiree Burch and Miles Jupp decide whether US President Richard Nixon was actually, in fact, a crook

The story of the hunt for the men behind the Gunpowder Plot, as Robert Catesby, Thomas Wintour and Thomas Percy sought desperately to ignite a Catholic rebellion

The events of June 1968 when, less than five years after US President John F Kennedy had been killed by gunshot, his brother Robert met the same fate

Extraordinary footage, colourised for the first time, shows life and death on the battlefield of El Alamein and behind the lines in the north African desert

Expert investigations into the possibility that reptilian aliens are more than a pop-culture creation and a favourite of works of science-fiction

Investigations into whether ancient tales of beings with super-human powers could be inspired by extra- terrestrials who came to Earth in the past

Beau Ouimette and Rick Edwards seek artefacts from William the Conqueror's era in the stretch of the River Avon near Salisbury

Andy McGrath goes searching for dragons in Somerset and visits the grave of Arthur and Guinevere in Glastonbury Abbey

First-hand accounts from seasoned, decorated police officers who have had unbelievable but substantiated UFO encounters

Scientists study claims of a dead mermaid discovered and preserved in Japan. Plus a glowing-eyed sea creature captured on video chasing a motorboat