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.

Fierce rivalries. Fresh opportunities. Daniel and Johnny find themselves back where it all began — and the stakes have never been higher.

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

It’s the first day of school at West Valley High but tensions between the two dojos have not cooled with the end of summer. And the rivalry between Daniel and Johnny comes to a head.

The highly-anticipated All Valley Karate Tournament brings Johnny and Daniel on opposite sides again, except this time, the new generation of karate students are the combatants. Who will pay the price for ultimate victory?

A fight night erupts in the Valley as Johnny, Daniel, Chozen and their students summon all their skills and strength to expose Terry and take him down.

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.

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

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.

In Okinawa, Daniel spends time with an old friend — and an old enemy, who has much to teach him. The dueling dojos' rivalry comes to a nasty head.

Despite Johnny’s efforts to move forward, he confronts Daniel about the assault on his property. An attempt to appease Johnny makes them revisit the past together. Miguel senses Samantha is lying to him. The dojo students try to intimidate the popular kids at a party.

Daniel takes on teaching his new pupil using the unconventional techniques from Mr. Miyagi. Robby is tempted to return to his delinquent ways. Johnny helps Miguel with his first date.

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 prepares his Cobra Kai students for the next All Valley Karate Tournament and in turn, he is inspired to clean up his life. Daniel is still unaware of his new pupil’s background. But as events unfold, it seems nothing has changed between Daniel and Johnny in 30 years.

Johnny cautiously takes a stab at love, while Daniel and Amanda enjoy a romantic date night. An attempt to bring the students of the two dojos together backfires as hostilities between the teens escalate.

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.

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.

Who will move to the next round in the tournament's tag team elimination match: Miyagi-Do or Cobra Kai? A shocking revelation shatters Daniel's world.

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.

A coveted spot in an elite international tournament ignites a fight between dojos. Tory’s loyalties are tested. Sam struggles to let Miguel go.

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

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

Johnny and Carmen's romance flies high while Daniel and Amanda are rattled by Terry's schemes. The teens' feuds spill over at the waterpark.

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.

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.

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

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.

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.

Daniel’s new ally-turned-housemate tests Amanda’s patience. Miguel searches for his father in Mexico. Terry starts to transform Cobra Kai.

Another enemy from Daniel’s past resurfaces. After a spa day and some soul-searching, Sam comes to a decision about her future with Miguel.

The search for clues about Mr. Miyagi's past leads Daniel into danger. Miguel raises doubts about Robby's focus. Sam observes ugly behavior 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.

A major change to the upcoming tournament sends Johnny scrambling to find a new recruit for Eagle Fang. Tory must ask a favor of the LaRussos.

Daniel invites Anthony to join Miyagi-Do and discovers he doesn't know his son as well as he thought. Miguel learns the truth about Johnny and Carmen.

Johnny and Daniel combine dojos but their opposing styles immediately clash. Kreese tries to persuade a former partner to rejoin him at Cobra Kai.

Terry and Kim issue a brutal challenge while Chozen teaches his students a different kind of lesson. Johnny and Daniel demand answers from Kreese.

Daniel's tarnished public image takes a toll on his sales, leading to a takeover offer. Johnny tries to raise money for Miguel's surgery.

Miguel and Sam are excited about attending the junior prom until another couple unexpectedly shows up. Terry lures Johnny to a familiar location.

Daniel and Johnny team up to find Robby. Miguel faces an uncertain future. Kreese tries to bring Tory back to Cobra Kai.

Kenny tries to become a student of Cobra Kai with some encouragement from Robby, while Johnny urges Sam to take a leap of faith – in herself.