The third season of The Haunted House animated television series, titled The Haunted House: Ghost Ball Double X (신비아파트 고스트볼 더블X), was produced by STUDIO EEK and Cocktail Media.

The first part titled The Haunted House: Ghost Ball Double X: The 6 Prophiecies (신비아파트 고스트볼 더블X : 6개의 예언) aired on Tooniverse in South Korea from March 5 to June 4, 2020, at 8 p.m.

[1][2] The second part is titled The Haunted House: Ghost Ball Double X: Suspicious Request (신비아파트 고스트볼 더블X : 수상한 의뢰), which aired from October 8, 2020, to January 21, 2021.

[3] The mobile RPG video game of The Haunted House: Soul Fighters (신비아파트: 소울파이터즈) was released on April 7, 2020, on Android, published by Move Interactive.

[4] The mobile video game of Archer Kang-lim (궁수강림: 6개의 예언) was released on May 5, 2020, on Android and iOS, published by 3F Factory.