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 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.

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.

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.