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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.