This marks the sixth film in the Insidious franchise, following Insidious: The Red Door in 2023. Ever since James Wan introduced audiences to the terrifying world of the Further with the original Insidious in 2010, the series has delivered plenty of memorable scares. From everything this latest trailer shows, Insidious: Out of the Further looks like another creepy chapter that's going to leave audiences thoroughly freaked out. This latest trailer sold me on the idea that the filmmakers still have plenty of frightening ideas left to explore. If the finished movie delivers on even half of the nightmare fuel teased here, horror fans are going to have a blast watching audiences squirm in their seats.