Thirty years after the events of the 1984 All Valley Karate Tournament, Johnny Lawrence’s life has taken a rocky turn as he tries to forget a past that constantly haunts him. He seeks redemption by reopening the infamous Cobra Kai karate dojo. But the LaRusso-Lawrence rivalry of yesteryear is reignited when their lives become intertwined with the next generation of “karate kids.”

Johnny tries to recruit more students to join the dojo. Troubled by his daughter’s friends, Daniel chaperones her high school costume dance. Johnny takes Miguel’s training seriously and starts creating a badass.

When Daniel’s car dealership billboard is sprayed with lewd graffiti, it consumes Daniel and escalates tensions against a rival. Robby, Johnny’s delinquent son, is embarrassed about his father and his new dojo. The bullying escalates against Miguel and motivates Johnny in a surprising way.

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.

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.

Miguel's fighting for his life, Robby's missing, and Daniel and Johnny's reputations are in tatters as the community reacts to the West Valley brawl.

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 helps Johnny craft the perfect social media message. Kreese scouts new recruits while Daniel and Amanda try to shut down Cobra Kai.

Johnny and Daniel's dojo — and their fragile alliance — teeter on the brink of collapse when they agree to a winner-takes-all sensei showdown.

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

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.

Tory pays a price for defiance. Stingray does battle with his conscience. A celebratory night on the town takes a turn for Johnny, Daniel and Chozen.