After all, if the elaborate front-yard haunt wasn’t fully assembled by Oct. 31, eight months of work could be for naught.

A terrifying collection of zombies, vampires, witches, clowns, aliens, mad scientists and a whole lot of Jack the Ripper will descend on SeaWorld this Halloween season for 25 nights of horror.

With Halloween season just weeks away, Six Flags announced its theme parks will be charging extra for some of the haunted house attractions. Although this charge isn’t new to most Six Flags parks, ...