Minefields: [s4e7]

Johnny introduces a fierce new student, Devon Lee , to Eagle Fang. To "toughen up" the boys for the tournament, Johnny has Devon kick them in the groin.

For more details, you can view the full recap on TV Tropes or read the episode summary on the Karate Kid Wiki . "Cobra Kai" Minefields (TV Episode 2021) - IMDb [S4E7] Minefields

Miguel discovers Johnny and Carmen are dating after finding Johnny’s headband in his mother’s room. While Miguel eventually accepts the news, the shift in their dynamic creates tension during training as Johnny begins to overprotect him. Johnny introduces a fierce new student, Devon Lee

Terry Silver and Kreese teach their students about exploiting an opponent's weakness. Silver uses Kenny to demonstrate this by having him fight Robby; Kenny feigns an injury to catch Robby off guard and win the match, illustrating that compassion is a weakness in the Cobra Kai world. "Cobra Kai" Minefields (TV Episode 2021) - IMDb

Faces the harsh reality that he has failed to notice his son’s descent into bullying.