When does Harry Potter: Hogwarts Tournament of Houses return?

The four-episode quiz show aired on TBS and Cartoon Network from November 28 to December 19, 2021. Hosted by Helen Mirren, the show was intended as a tribute in celebration of the 20th anniversary of the Harry Potter film series. The show was a trivia competition based on Harry Potter-related content. It featured four teams of three Harry Potter fans, each representing a Hogwarts house, competing against each other to earn the title of House Cup Champion.