The Miyagi-Do students struggle to put aside past rivalries while training for the Sekai Taikai; Johnny and Chozen clash over rebranding the dojo. 

Kreese faces a dangerous test to prove his worthiness; Daniel offers Johnny a helping hand while the teens contemplate life beyond high school. 

A shocking discovery turns Daniel's world upside down; Johnny schemes a way to give Sam and Tory their edge back; the tournament reveals its location. 

Daniel and Johnny invite a new sensei to evaluate their students; friends become foes as the competition heats up for a spot in the Sekai Taikai. 

Miyagi-Do's top students square off to be team captains, but a devastating tragedy changes everything; Kreese reveals his final surprise. 

With the Sekai Taikai underway, a betrayal threatens to throw team Miyagi-Do off their game; a dramatic first event unleashes the element of surprise. 

The search for clues about Mr. Miyagi's past leads Daniel into danger; Miguel raises doubts about Robby's focus; Sam observes ugly behaviour off the mat. 

 A personal crisis shakes Miguel and Johnny to the core. Chozen and a rival sensei team up to find their students - but discover something else instead. 

The tournament's tag team elimination match between Miyagi-Do and Cobra Kai will determine who moves to the next round; a revelation shatters Daniel's world. 

Daniel and Johnny use historic Barcelona as a training ground for their captains; but a cheap shot in the semifinals sparks a brawl to end all brawls. 

While their students plan for life after karate, Daniel and Johnny clash over reviving the Sekai Taikai; Kreese reconsiders his guiding principles. 

Sam and Robby turn to their friends for support as they train for the challenges ahead; Johnny and Carmen welcome a new addition to the team. 

As the moment of truth arrives, Daniel and Johnny confront their pasts. Then it's fight time as Robby battles Axel in the world karate championship. 

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. 

Fierce rivalries and fresh opportunities; Daniel and Johnny find themselves back where it all began and the stakes are higher than before.