The fourth season of The Haunted House animated television series, titled The Haunted House: Ghost Ball Z (신비아파트 고스트볼Z), was produced by Studio BAZOOKA and STUDIO EEK.

The first part titled The Haunted House: Ghost Ball Z: The Dark Exorcist (신비아파트 고스트볼Z: 어둠의 퇴마사) aired on Tooniverse in South Korea from September 16 to December 16, 2021, at 8 p.m.

KST.

[1][2] The second part is titled The Haunted House: Ghost Ball Z: Guido Exorcist (신비아파트 고스트볼Z : 귀도퇴마사), which aired from April 28 to July 28, 2022.

[3] This season contains two musical themes: "Time of Destiny" by Yoon Do-hyun is used as an opening theme[4] and "U&I" by DreamNote is used as an ending theme.