Watch on Soap2day. UFC 2 - the return of the most dangerous martial arts contest in the world! Sixteen of the planet's toughest experts air off, in a locked steel cage and fight a bare-knuckle, full-contact combat, until one man stands undefeated. It's Karate vs. Jiu-Jitsu vs. Russian Sambo vs. Kung Fu vs. Tae Kwon Do vs. Ninjitsu vs. Pencak Silat vs. Muay Thai Kickboxing and more!