Regular Show: The Movie II/Home media

Theatrical release
The movie first screened at the L.A. Downtown Independent on June 7, 2015 before it hit theaters worldwide. The film was then opened in theaters in the United Kingdom on June 12, 2015 and in the United States on August 14, 2015. The film will be presented in a 1.85:1 format, rather than Warner Animation Group's standard 2.39:1 format on its first title, The Lego Movie. The movie also screened at the Alamo Drafthouse Cinemas across the United States and it had a showtime at the SVA Theatre of New York and at the Cinema Montreal CANADA during October 2015. It was also preceded by Medieval Hangout, a short film based on Cartoon Network's animated miniseries Long Live the Royals, created by Regular Show 's writer and storyboard artist Sean Szeles.

Home media
The film was released to digital on platforms such as iTunes and Google Play Movies & TV on September 22, 2015. The movie was later released to Blu-Ray and DVD by Warner Home Video on October 13, 2015 and it contains the behind the scenes, a Long Live the Royals short film Medieval Hangout, the 18-minute featurette, the pilot episode and the audio commentaries. The movie has grossed $98,080 in domestic DVD sales.

Television premiere
The film was premiered on November 25, 2015 in the United States on Cartoon Network and premiered on Cartoon Network in the United Kingdom and Ireland and Cartoon Network in Australia and New Zealand on November 28, 2015. The film premiered in Asia (including Philippines) on November 30, 2015. The film premiered in Central and Latin America on December 7, 2015. The movie premiered on Cartoon Network in Canada on November 25, 2015.