When does Scooby-Doo and Guess Who? return?

The show first premiered on Boomerang's SVOD service on June 27, 2019, before its debut on Cartoon Network on July 8, 2019. The series later moved to HBO Max, and the remaining episodes of the second season were released on October 1, 2021. Following a similar premise to The New Scooby-Doo Movies, the series focuses on Mystery Inc. as they solve mysteries.
The series follows the Mystery Inc. gang as they solve mysteries while encountering and being assisted by celebrities and fictional characters. The series has a similar premise to The New Scooby-Doo Movies.