When does Adventure Time: Distant Lands return?

Adventure Time: Distant Lands is an American animated television limited series. It is a spin-off of the Cartoon Network series Adventure Time (2010–2018), which was originally created by Pendleton Ward. The first special premiered on June 25, 2020, followed by the second on November 19, 2020 and the third on May 20, 2021, and the fourth on September 2, 2021. The series at large follows the adventures of Finn the Human and his best friend Jake, a dog with magical powers to change shape and size at will.