Kooiboys

Pedro and Robin are going on a fighting training camp in Senegal to master wrestling. There, they learn all about 'lutte sénégalaise' and its impact on the local community as well as on their own bodies.

Street art, a bustling restaurant scene, and living legends. Between the favelas of São Paulo, Pedro and Robin discover Brazilian Jiu-Jitsu. They train there with a 10-year-old talent and with UFC hero Oliveira.

Pedro and Robin complain a lot and have little discipline. That's why coach Jan immerses them in the spiritual world of the Shaolin monks in China. There, they follow one of the toughest training regimes.

In Thailand, Robin and Pedro are training with Thai boxing champions for their first official fight at the legendary Lumpinee Stadium. Both the physical and mental strains are starting to take their toll.

To find out if they have a real killer instinct, Pedro and Robin delve into the raw boxing culture of Ireland. They train with the coach of MMA legend Conor McGregor and go to watch "bare-knuckle fighters"—men who fight each other with their bare fists.

Their cage fight is fast approaching, but can they also become real 'Kooiboys'? To find that out, Pedro and Robin are in Las Vegas, the hometown of UFC. There, they meet UFC fighter Chase Hooper