Title: Adventure Time (season 9)
Content:  On December 19, 2018, the season was released by itself on DVD and Blu-ray in Australia.
Title: Adventure Time (season 8)
Content:  On November 28, 2018, the season was released by itself on DVD and Blu-ray in Australia.
Title: Adventure Time (season 1)
Content:  The full season set was released on DVD on July 10, 2012. By July 29, 2012, the DVD set had sold 151,535 copies. A Blu-ray edition was released on June 4, 2013.
Title: Adventure Time (season 4)
Content:  The full season set was released on DVD and Blu-ray on October 7, 2014.
Title: Adventure Time (franchise)
Content:  On October 23, 2019, Cartoon Network announced that four hour-long specials—collectively titled Adventure Time: Distant Lands—would air on HBO Max. The first two specials were released in 2020, while the third was released on May 20, 2021. The fourth and final episode, "Wizard City", was released on September 2, 2021. The series focuses on new and returning characters in previously unexplored areas of the Adventure Time universe.
Title: Adventure Time
Content:  of Adventure Time was made available on the Netflix Instant Watch service for online streaming; the second season was made available on March 30, 2014. Both seasons were removed from Netflix on March 30, 2015. The series was made available for streaming via Hulu on May 1, 2015. While in the United States, HBO Max becomes the primary platform to watch Adventure Time: Distant Lands, there are debuts of "BMO," the first special of the spin-off series, in different countries and regions in respective Cartoon Network channels worldwide, on different dates mainly in 2020; such as October 24 (Turkey), October 25 (France), November 21 (the United Kingdom), December 12 (Germany, Australia, and Taiwan),    and December 27 (Russia). In South Korea, the debut was on January 1, 2021.
Title: Adventure Time (franchise)
Content:  of Adventure Time was made available on the Netflix Instant Watch service for online streaming; the second season was made available on March 30, 2014. Both seasons were removed from Netflix on March 30, 2015. The series was made available for streaming via Hulu on May 1, 2015. While in the United States, HBO Max becomes the primary platform to watch Adventure Time: Distant Lands, there are debuts of "BMO," the first special of the spin-off series, in different countries and regions in respective Cartoon Network channels worldwide, on different dates mainly in 2020; such as October 24 (Turkey), October 25 (France), November 21 (the United Kingdom), December 12 (Germany, Australia, and Taiwan),    and December 27 (Russia). In South Korea, the debut was on January 1, 2021.
Title: Adventure Time (season 3)
Content:  The full season set was released on DVD and Blu-ray on February 25, 2014. By March 9, 2014, the DVD release had sold 32,056 copies, and the Blu-ray set had sold 8,577 copies.
Title: Adventure Time (season 2)
Content:  The full season set was released on DVD and Blu-ray on June 4, 2013.
Title: Adventure Time: Distant Lands
Content:  The entire series will be released on DVD and Blu-ray on March 8, 2022.

Question: when does the new adventure time come out?
Answer: April 21, 2017.