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There’s an incredible line-up of dramatic documentaries available now on Vision TV, including eight all-new episodes of the compelling Air Crash Investigation.

Whether you want to learn more about Britain’s criminal underworld, witness the hell of WWII in the Pacific or discover how accurately the brutal blockbuster 300 depicted the life of the Spartans, BT Vision has hours of fascinating documentaries throughout May.

Air Crash Investigation – A nerve-jangling series reveals what caused tragic aircraft accidents, using dramatic reconstructions, CGI and expert witnesses. Episodes focus on how one of the world’s first fully computerised planes crashed into the Vosges Mountains and the spectacular air show that turned to tragedy when an Air France publicity flight went terribly wrong.

Britain’s Underworld – Tour the forbidding streets of Britain’s toughest cities and meet the straight-talking hard men who inhabit the criminal underworld in this startling series.

World’s Deadliest Snipers – An engrossing documentary uncovers history’s most ruthless marksmen, including the WWII duel in Stalingrad that inspired the film Enemy At The Gates.

Hell In The Pacific – Reflecting the brutality of bitter battles during WWII, this series includes the building of the Thai-Burma death railway. And don’t miss the superb mini-series The Pacific on Vision TV in June.

13 Hours That Saved Britain – The astonishing story of one fateful day in September 1940 when Britain’s freedom hung on the battles raging in the skies overhead.

The Spartans – This documentary chronicles the rise and fall of one of the most brutal civilisations the world has ever seen.

And that’s not all. Other enthralling real-life stories throughout May include The True Story of Papillon, Walking The Amazon, Croc Man, Bruce Parry: Cannibals And Crampons, Octomom: Me and My 14 Kids and the James Cracknell Trilogy.