In the end credits there is a tribute to Rob Garrison, who played Tommy, a former Cobra Kai member and Johnny's childhood friend. Tommy died from cancer in Take a Right (2019) and Garrison himself passed away on September 27, 2019 from kidney failure.
During the school meeting, an angry parent tells Daniel that he (Daniel) was the bully back in his school days. This is a reference to the popular fan theory that Daniel was the true antagonist of The Karate Kid (1984).
This is the first time where Miguel appears but has no dialogue.
The first episode to stream on Netflix following the show's move away from its previous home, YouTube.