Cobra Kai is an American martial arts comedy-drama television series and a sequel to the original The Karate Kid films by Robert Mark Kamen. The series was created by Josh Heald, Jon Hurwitz, and Hayden Schlossberg, and is distributed by Sony Pictures Television. The first season launched on YouTube Red on May 2, 2018, with a second season following on April 24, 2019. After production of season three was completed, YouTube decided to stop producing scripted original programming, leaving the show without a home. Netflix acquired the series in June 2020, and released the third season on January 1, 2021. Netflix renewed the series for a fourth season, which released on December 31, 2021.