China (Wushu; Sanda)

Location: Dengfeng, China Masters: Shi De Yang, Shi De Cheng Features: Hands, Feet, smashing things Our fighters head to China's legendary Songshan mountains to learn the mother of all martial arts: Kung Fu.

Philippines (Kali)

Location: Manila, Philippines Masters: Cristino Vasquez, Leo T. Gaje Jr. Features: Knives, sticks In this episode, our boys head to Manila to try their hands in the weapons-based Filipino art of Kali - one of the deadliest, most ancient fighting systems on earth.

Japan (Kyokushin Karate)

Location: Tokyo, Japan Masters: Shihan Yuzo Goda, Shihan Isamu Fukuda Features: Hands, feet, smashing things Kyokushin kaikan is a style of stand-up, full contact karate, founded in 1964 by Masutatsu Oyama. Kyokushinkai is Japanese for "the society of the ultimate truth." Kyokushin is rooted in a philosophy of self-improvement, discipline and hard training.

Mexico (Boxing)

Location: Mexico City, Mexico Masters: Ignacio "Nacho" Beristain, Tiburcio Garcia Features: Hands Boxing is a combat sport in which two people, male or female, generally of similar weight, fight each other with their fists. Boxing is supervised by a referee and is typically engaged in during a series of one to three-minute intervals called rounds.

Indonesia (Pencak Silat)

Location: Bandung, Indonesia Masters: Rita Suwanda, Dadang Gunawan Features: Hands, feet, throws, weapons In the remote streets of Bandung, Jimmy and Doug learn the ancient fighting art known as Pencak-Silat. While training with one of Indonesia's toughest Silat masters, Doug injures his foot and has to decide whether to fight in his final battle or not.

France (Savate)

Location: Marseille, France Masters: Christian Robert, Frank May, Frederic Baret, Laurent Bois, Patrick Gellat Features: Hands, feet Jimmy and Doug are off to the hard-scrabble port of Marseilles to learn France's contribution to the world of kickboxing - Savate, an elegant but brutal fighting form with kicks so dangerous they've been outlawed.

Korea (Hapkido)

Location: Seoul, South Korea Masters: Kim Nam Je, Bae Sung Book, Ju Soong Weo Features: Feet, hands, throws Hapkido is Korea's gift to the world of martial arts and in this episode Jimmy and Doug learn the ins and outs of this deadly defensive art.

Brazil (Brazilian Jiu-Jitsu)

Location: Rio de Janeiro, Brazil Masters: Breno Sivak, Renato Barreto Features: Grappling Our fighters land in Rio to experience the wildly popular world of Brazilian Jiu-jitsu and train with the legendary Gracie family.

Israel (Krav Maga)

Location: Netanya, Israel Masters: Ran Nakash, Avivit Oftek Cohen Features: Everything that hurts The Israeli military is one of the most highly trained and skilled forces in the world and their secret weapon is Krav Maga. In this episode, Jimmy and Doug train with the Israeli military and learn the secrets of this murderous fighting style.

USA (Kajukenbo)

Location: Bay Area, Calif. Masters: Charles Gaylord, Greg Harper Features: Hands, feet, throws Kajukenbo is a street-fighting martial art comprised of the most deadly moves from karate, kung fu, and other fighting styles. In this episode, Jimmy and Doug travel to the roughest edges of the S.F. Bay area to uncover why some Americans live to fight.

Bangkok (Muay Thai)

Location:Bangkok & Ayutthaya, Thailand Masters:Thakoon Pongsupha, Karim "Palang" Pattana Features:Punches, kicks, elbows, knees Muay Thai is a hard martial art from Thailand. It is similar to other Indochinese styles of kickboxing, namely pradal serey from Cambodia, tomoi from Malaysia, lethwei from Myanmar and Muay Lao from Laos.

Kerala (Kalaripayattu)

Location: Kerala, India Masters: Guru Sureshan Nambiar, Guru Sunil Kumar Features: Sword & shield, sticks, open hand, kicks Kalarippayattu is a Dravidian martial art from Kerala, India. It is practiced in Kerala and contiguous parts of Tamil Nadu and Karnataka as well as northeastern Sri Lanka and among the Malayalee community of Malaysia.

Hong Kong (Wing Chun)

Location: Hong Kong & Kowloon, China Masters: Grandmaster Leung Ting, Sifu Kong Chi Keung Features: Rapid fire punches & kicks Wing Chun, also romanized as Ving Tsun or "Wing Tsun" is a concept-based Chinese martial art that specializes in close-range combat.