Watch Kiddie Kai

Rivalries between instructors and studios come to a head at the regional War Eagle Invitational where the best of the best compete to be crowned Grand Champion. Sifu Mark and John Chung's star pupils face off on the mat. Jaeden seeks his redemption.

John Chung's team defends their turf in the Sidekick International. Sifu Mark plots his next move. After being jumped by bullies, one of McGregor's students faces off with his attackers.

11-year-old Randy Tucker turns to martial arts after getting jumped. Sifu toughens up his star pupil Will to spar at John Chung's tournament. Amari takes on an elite fighter in her first competition. And a last-minute rule change sends one team packing.

Shihan Kinchen hosts his first tournament where his blackbelt Joshua Castle seeks revenge for his brother. Seth rematches with Michael Chung. Will surprises Sifu Mark.

In the first showdown of the circuit, Sifu Mark gets his shot at John Chung. Young Jaeden seeks revenge for an illegal back that cost him his last sparring division. Seth faces off against Michael Chung.

World champion John Chung storms into America's Blackbelt Byway, where long-standing feuds between dojos push kids to show no mercy.

Coming Sept. 6. There's no mercy in America's Blackbelt Byway where martial arts rivalries between instructors and dojos fuel epic showdowns for bragging rights and monstrous six-foot trophies.