Drinking hard and living in the shadow of his successful former rival, Daniel, Johnny hits rock bottom and decides to reopen the Cobra Kai karate dojo.
Daniel is rattled when he spots the new Cobra Kai dojo. Later, he learns about a violent altercation from Sam’s crush, Kyler.
Daniel volunteers to chaperone the Halloween dance so he can keep an eye on Sam. Johnny tries to recruit more students for his new business.
One of Daniel's billboards is defaced. Miguel's mother forbids him from continuing karate lessons. Johnny learns that Robby's been skipping school.
Cobra Kai gets its second student. Daniel comes up with a plan to get payback on Johnny. When Kyler betrays Sam, Miguel stands up for her at school.
Enrollment surges at Cobra Kai thanks to Miguel's fight, but Johnny alienates his students. To hurt his father, Robby gets a job working for Daniel.
Johnny must persuade a tournament committee to reverse its lifetime ban on Cobra Kai — but Daniel's a member. Miguel and Sam go on a date.
As Johnny prepares his students for the All Valley Tournament, Daniel starts training Robby in Miyagi-Do, still unaware that his pupil is Johnny's son.
An unexpected day of reminiscing results when Johnny confronts Daniel about his car. The Cobra Kai students plot revenge on the popular kids.
As the day of the tournament dawns, Johnny teaches his pupils the third rule of Cobra Kai: no mercy. A familiar face from the past returns.
Despite Cobra Kai's victory, Johnny wants to take his dojo in a new direction. Daniel opens his own school with two students: Sam and Robby.
Daniel helps Sam and Robby find balance while leading a sales push at work. Johnny impresses Kreese with a creative but risky training technique.
When Miguel learns Robby's identity, Johnny opens up about his failures as a father. To recruit students, Daniel stages a demonstration at a festival.
Daniel tries to promote Miyagi-Do again, but Cobra Kai steals the spotlight. Johnny suspects Kreese is exaggerating his past accomplishments.
After Eli picks a fight with Demetri at the mall, Daniel works to help Demetri build his confidence. Johnny discovers that Robby is living with Daniel.
Daniel's new pupils learn how to settle their differences. While Johnny enjoys a road trip with old pals, Kreese undermines him at the dojo.
Both senseis try unusual training techniques, and Johnny learns what Kreese has been teaching. Daniel's passion for Miyagi-Do jeopardizes his business.
Sam and Robby's secret romance heats up while Daniel's relationship with Amanda remains frosty. Johnny tries a dating app.
Johnny and Daniel run into each other at a restaurant and call an unexpected truce. Meanwhile, tensions between their students flare at a party.
On the first day of school, the grudge between Tory and Sam explodes into a brawl between karate factions in the halls of West Valley High.