Episode Synopsis: Mackenzie Dern is one of the most popular figures in jiu-jitsu, and there's a good reason why! Her sunny smile, big heart, and amazing submission skills have made her the darling of the grappling world.

Get to know her better by watching "True Warrior," a documentary that covers her rise in jiu-jitsu up to her debut into the world of MMA: 

• What it was like growing up as a lifelong jiu-jitsu practitioner, and her relationship with her legendary black belt father, Megaton Dias 
• Her career path from white to black belt, with her greatest victories along the way 
• And her incredible performance at the IBJJF 2015 Pan Championships

In episode two, we see her training as part of her preparations for her MMA debut!