Jack Skellington has taken over the Haunted Mansion for the 12th time at Disneyland park, and you don’t even have to enter the home of the 999 Happy Haunts to see his influence. But of course he can’t achieve this terrifying transformation on his own – it takes a lot of help from the talented team from Disneyland Resort Creative Entertainment-Anaheim and Technical Services. In this video, you can see the exterior of the Haunted Mansion transform into Haunted Mansion Holiday – a process that spans a few days – in just 36 seconds!