Mr. Miyagi is an essential character within The Karate Kid universe, and his heartbreaking military backstory helped inform his mentor-like relationship with his protégé, Daniel LaRusso.

So where, exactly, did Cobra Kai Season 6 fall short? The answers lie in the plotline surrounding Daniel's late sensei, Mr. Miyagi (Pat Morita). Season 6 reveals a dark truth about Miyagi's past ...