An epic match-up featuring SWAT, the elite special forces of U.S. law enforcement, against Germany's GSG-9, the ultra-secretive paramilitary arm of the German Police. Utilizing sniper rifles, shot guns and paralyzing stun tools two of the world's toughest police forces will go head-to-head in an historic, never-before-seen firefight to the death.

Attila the Hun, the barbarian horseman who terrorized Europe, battles Alexander the Great, history's greatest military tactician.

Separated by 52 years and a generation of firepower technology, the Civil War-hardened Jesse James Gang is taking on the Tommy Gun-wielding "businessmen" from Chicago, Al Capone's Gang.

The Aztec Jaguar takes on the Zande Warrior in a battle that brings some of the fiercest weapons yet.

The Nazi SS, Adolf Hitler's homicidal shock troops of WW II , battle the Viet Cong, the murderous masters of jungle warfare. Two of the most lethal foes ever faced by American GIs square off in a bloody showdown using machine guns, flesh-burning flamethrowers, and flying poison spikes.

Worlds collide when a Centurion, commander of Rome's bone-crushing army, takes on a Rajput, India's greatest fighter. In a fight to the finish, these two warriors face off using a chest-splitting javelin, a snake-like coiled sword, and a relentless battle-tank.

Somali Pirates, modern-day, RPG-blasting hijackers of the high seas battle the Medellin Cartel, Colombia's most notorious drug lords. In this extraordinary matchup, these two brutal crime gangs will face off with machine guns, machetes and stunningly explosive car bombs.

A Persian Immortal, the professional killer that drove a 6th century BC war machine, battles a Celt, the giant Iron Age European clansman. Horse-drawn chariots rush to a deadly showdown with brutal sword beat-downs, spears, clubs and battle-axes.

KGB, the Kremlin's covert killers goes head-to-head with the CIA, America's clandestine assassins. Deadly spymasters of the Cold War face off with chilling top-secret arsenals: silenced mini-machine guns, exploding spikes, brutal shoe knives and neck-slicing garrote wires.

The Transylvanian butcher who was the inspiration for the legendary Count Dracula faces China's deadly warlord and master strategist.

Ming Warrior, the innovative killer who deployed exploding land-mines and flaming arrows to forge China's greatest empire faces off with the Musketeer, the elite French fighter whose skill with the rapier and musket were legendary.

The Native American commando is matched against the barbaric Asian warrior who conquered more territory than any other empire in history.

The cunning American killers of both land and sea matches their skills with Israel's covert assassins.

An Apache - the greatest stealth fighter in American History, versus a Gladiator - crowd-thrilling killer of ancient Rome. It's stone versus steel, devious against direct, surprise versus slaughter, as these two go toe to toe in a no-holds barred battle to the death.

The speed and fighting style of a Samurai warrior faced off with the strength and determination of a Nordic Viking.

Spartan vs Ninja - the ultimate bronze age warrior meets the silent assassin from Japan.

A Pirate - the merciless high seas marauder; versus a Knight - the armored battle tank that crushed infidels underfoot. It's an explosive, bloody battle between two fighters who hate everything the other stands for - pistols versus crossbow, gunpowder against armor, and cutlass versus a spiked ball of death.

Mafia - the deadly crime family that rule New York's 1920's underworld, versus Yakuza - feared gang lords that dominate the mean streets of 1940's Tokyo. Their bloody turf war to decide who is deadliest will be settled with machine guns, sawed off shotguns, pistols, bats, nunchukus and icepicks.

Green Beret - America's elite special force, versus Spetsnaz - Russia's top-secret, top-notch commandos. Trained to kill anyone, any when, anywhere - these super soldiers use a devastating array of weapons and tactics. It's the best of the west against the beast from the east in a post cold war showdown.

One fights for perfection; the other to honor his ancestors. A Shaolin Monk - the ultimate pacifist killing machine from China versus a Maori - fierce, bone-crushing warrior from New Zealand. Steel whips, metal spikes and wickedly versatile hooks versus wood, shark teeth, stingray spines and stone. The hardest weapon on the battlefield is not made of steel.

Both fight for revenge. Both built an army to spill the blood of their enemies. Deadliest Warrior gets personal with a battle between two of the greatest warrior-generals that ever lived. William Wallace - claymore wielding wild man from Scotland versus Shaka Zulu whose ferocity, speed and toughness became legend.

Two groups whose disregard for civilian casualties in the pursuit of their own agendas have made them infamous. IRA - the urban guerrilla from Ireland versus the Taliban mountain fighters from Afghanistan.

These never-before-seen tests and battles examine the best warriors of season one - who will be resurrected to vie for the titles of Deadliest Ancient and Modern Warrior - in speed against power, bronze vs steel, and sharp-shooting commandos against ruthless guerrilla fighters.