In the final scene, Daniel attempts to catch a fly with chopsticks like Mr. Miyagi challenged him to do in The Karate Kid. Johnny comes and squishes the fly with his hands while they are out for lunch, once again illustrating that their friendship is based on differences.

They were '80s rivals in the movie "The Karate Kid." Now Ralph Macchio and William Zabka have become "brothers in arms" on Netflix's "Cobra Kai."

The following contains spoilers for the 'Cobra Kai' series finale. After its 7-year run, Cobra Kai has its swan song with the Sekai Taikai while also coming full circle and reminding us why the series exists in the first place.