Sky History 2 HD Saturday

A look at a perplexing metal sphere, just seven-hundredths of an inch across. Under extreme magnification, it shows two holes that have been precision drilled through it

A strange set of objects were found in the Great Pyramid in Giza, including a two-pronged bronze hook with two pins sticking into it

The efforts of Norwegian resistance fighters to return to their invaded homeland to carry out a daring mission to raid and destroy a hydroelectric plant

The most important battles of the European theatre, starting with the Blitzkrieg attack on Poland in 1939

Documentary highlighting what life was like during the Second World War, featuring the personal stories of soldiers from both sides of the conflict

Giorgio Tsoukalos examines stories of powerful shining beings who came down from the sky, contemplating whether these tales have been inspired by ancient alien visitation