This is Part IV in this series. In Part I, I opened the with news that Disneyland Paris is getting rid of its Fastpasses in favor of a per-ride, per-person premium to skip the line, and explored the history of Disney themeparks and what they meant to Walt Disney. In Part II, I explored Disneylandβs changing business-model and the pressures that shifted it from selling ticket-books to selling all-you-can-eat passes, and the resulting queuing problems. In Part III, I described how every fix for long lines just made the problem worse, creating complexity that frustrated first-time visitors and turning annual passholders into entitled βpassholes.β