In 2026, there is no limit to the number of times you can use the Park Hopper option in a single day at Disney theme parks, provided you have a valid ticket or Annual Pass. At Walt Disney World, you can move between the four main parks at any time during park hours once you have entered your first park (for which a reservation may still be required depending on your ticket type). This flexibility allows for the "Four Parks Challenge," where guests visit all four parks in one day. However, park hopping is always subject to capacity limitations, which are rare but would be communicated via the My Disney Experience app if a park becomes temporarily full.