The show takes a look at the bloody end to the Japanese embassy hostage crisis in Lima, Peru, back in 1997.

October 2002. Russia's elite force, Spetnaz Group Alfa, face an impossible task - to rescue 800 people held hostage by Chechen gunmen and suicide bombers inside a Moscow theatre. Negotiations have failed and innocent lives hang in the balance.

This is the story of the most daring black ops raid in recent history. The inside account of operation Neptune Spear: how US Navy Seals brought to an end the hunt for the most wanted man in the world, and took down the mastermind of 9/11: Osama Bin Laden

August 25th, 2000: Sierra Leone, West Africa. The Royal Irish Regiment, a unit of the British Army, takes a wrong turn on patrol. They are held up on the roadside by a notorious gang of rebels; the Â'West Side Boys'.

June 27, 1976 Four terrorists hijack a flight bound for Paris. Forcing the plane to land in Entebbe Uganda they move their hostages to an old terminal. The passengers' fate, most of them Jewish or Israeli, lies in the hands of Israel's top black ops team.

Al-Zarqawi- the most wanted man in Iraq, is proving a formidable enemy. Responsible for bombings, beheadings and attacks, he's more persistent than Saddam and more active than Osama. The coalition's only hope lies with a top secret task force.

A group of terrorists are hiding in Iraqi Kurdistan where they control a mountainous area known as the Halabja salient - US Army Special Forces are sent deep behind Iraqi lines to eliminate the terrorists with the help of local Kurdish fighters.

The story of the rebirth of the SAS, as British soldiers take part in a counter insurgency campaign called the Malayan Emergency.