Cobra Kai is an American martial arts comedy drama television series created by Josh Heald, Jon Hurwitz, and Hayden Schlossberg, and distributed by Sony Pictures Television. It serves as a sequel to the original The Karate Kid films created by Robert Mark Kamen. The series stars Ralph Macchio and William Zabka, reprising their respective roles as Daniel LaRusso and Johnny Lawrence from the film series, alongside Courtney Henggeler, Xolo Maridueña, Tanner Buchanan, Mary Mouser, Jacob Bertrand, Gianni DeCenzo, Peyton List, Vanessa Rubio, and Dallas Dupree Young. Martin Kove and Thomas Ian Griffith also reprise their roles from the films as part of the main cast, with many others returning in guest or recurring roles.

Cobra Kai re-examines The Karate Kid narrative from Johnny's point of view, beginning with his decision to reopen the Cobra Kai karate dojo, and the rekindling of his old rivalry with Daniel. The first and second seasons launched on YouTube Red / YouTube Premium in May 2018 and April 2019. Netflix acquired the series in June 2020 after YouTube decided to stop producing scripted original programming. The third, fourth, and fifth seasons were released in January 2021, December 2021, and September 2022, respectively. Production for the sixth and final season stopped during the period of the 2023 Writers Guild of America strike and 2023 SAG-AFTRA strike, and resumed after January 1, 2024. Season six is divided into three parts, each consisting of five episodes. Part one was released on July 18, 2024, and part two on November 15, 2024. Part three will be released on February 13, 2025.

The series has attained high viewership on both YouTube and Netflix, and has received critical acclaim for its writing, performances, action sequences, humor, character development, and faithfulness to the films. It has received numerous awards and nominations, with the third season being nominated for Outstanding Comedy Series at the 73rd Primetime Emmy Awards.