Eleven Arts and Shout! Factory have announced that they will release Keiichi Hara’s The Wonderland (Birthday Wonderland) anime film on Blu-ray Disc, DVD, and for digital purchase on October 6, 2020 in North America.
Eleven Arts screened the film in theaters in the United States and Canada on January 31, 2020.
The Wonderland opened in Japan in April 2019 and screened in competition at the Annecy International Animation Film Festival in June 2019. Fantasia Festival in Montreal, Canada also screened the film in July 2019. Crunchyroll Expo hosted the U.S. premiere of the film on August 30, 2019. The Sitges International Fantastic Film Festival in Spain screened the film in October 2019.