Its foundation is rooted firmly in Haunted Mansion history, with the house becoming a vital character in itself.

(The “Grim Grinning Ghosts” song is interpolated throughout the movie, he promises.)

This, by the way, was all done with practical effects wherever possible.

HAUNTED MANSION

Jamie Lee Curtis as Madame Leota in ‘Haunted Mansion.'.Disney

“The script firmly plants it in the New Orleans mansion.

That’s not to say there are notothermansions in the movie,” Simien teases.

That angle has to hit.

Haunted Mansion

Disneyland’s Haunted Mansion ride and Justin Simien’s ‘Haunted Mansion’ movie.Walter Leporati/Getty Images; Disney

That’s how specific we were," he says.

Simien didn’t stop there.

“There’s a practicality to the tricks on the ride that I felt was important.

When I took the job I said, ‘I don’t want to make CGI soup.

We have to build the house.’

It makes it charming.”