Daniel tries to strike a shady deal to undermine Johnny’s dojo. Meanwhile, Johnny expands his enrollment ranks in the dojo. Miguel puts his karate practice into reality as Samantha faces rejection in school.

Johnny’s dojo class attracts a group of misfits while his son Robby, who harbors ulterior motives, lands a new job. Samantha makes a new friend in science class. Daniel inspires interest in karate from an unlikely person.

Daniel struggles to help a new student learn. Miguel makes a new connection, while Johnny tries to repair a relationship. Tensions between the two dojos build to a breaking point.

Daniel’s students are given a lesson in overcoming their grudges. Johnny spends some time away from the dojo, while Kreese exerts his influence.

It's Christmastime in the Valley, and romance is in the air. Daniel and Miguel find unexpected common ground, and the Cobra Kai recruits go on a mission.

Old wounds begin to heal at a country club holiday party, but a brutal assault by Kreese's students leads to new betrayals and alliances.

The annual All Valley Karate Tournament kicks off as several competing dojos vie for the grand championship – and settle some personal scores.

The tournament comes to a shocking end, with the aftermath leaving its participants reeling – and two champions facing uncertain futures.

The action heats up as the Valley's top fighters pit their courage against their rivals' speed and strength. But one last surprise changes everything.