The 18 season of The Ultimate Fighter was broadcast on ESPN from mercredi 4 septembre 2013 to samedi 30 novembre 2013. It consists of 15 episodes, the first one is called "History in the Making" and the last one "Julianna Pena vs. Jessica Rakoczy TUF 18 Finale".
Sixteen aspiring mixed martial artists live together, train together and compete against each other to become the Ultimate Fighter. They receive coaching from UFC champions and contenders in a variety of martial arts including wrestling, boxing, judo, Jiu-Jitsu, karate and kickboxing. The winner receives a six-figure contract from the UFC.