Codename: Kids Next Door - Operation: W.O.N.K.A./Home media

Theatrical Release
The movie will be released in the United States on May 4, 2018, by Warner Bros. The film's theatrical release will be preceded by Summer School, a short film based on Cartoon Network's animated television series Whatever Happened to... Robot Jones?.

Home media release
The film was released on Digital on July 17 and Blu-Ray and DVD on August 7, 2018. It contains the deleted scenes, a Whatever Happened to... Robot Jones? short film Summer School, the 18-minute featurette, the behind-the-scenes look at Codename: Kids Next Door - Operation: W.O.N.K.A., featuring interviews with most of the principal cast and crew, animatics, the pilot episode, the audio commentaries and the sneak peek of Adventure Time: The Epic Movie.