TV series "Cobra Kai" Season IV, based on "The Karate Kid" movies by Robert Mark Kamen, is currently #1 on all viewership charts, starring Ralph Macchio and William Zabka, reprising their roles 34 years later as 'Daniel LaRusso' and 'Johnny Lawrence', now streaming on Netflix:
"...decades after their 1984 'All Valley Karate Tournament' bout, a middle-aged 'Daniel LaRusso' and 'Johnny Lawrence' find themselves martial-arts rivals again.
"However, when Johnny rescues young 'Miguel' from bullies, he is inspired to restart the notorious 'Cobra Kai' dojo..."
Click the images to enlarge...