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.