Bill and Aldo Say Let's Go to Disneyland Paris is a crossover that will be made by N/A. It is unknown when to appear on YouTube in the future.
Bill, Aldo, Bev, Ed, Oly, Waddle, and Fred the Penguin (along with Stan, Homer, Peanut, Big Bird, Garfield, Bugs, Chloe King) travel to Disneyland Paris to have fun.
- Stan Marsh, Kyle Broflovski, Eric Cartman, Kenny McCormick, Butters Stotch, Ike Broflovski, The Simpsons (Homer, Marge, Bart, Lisa, and Maggie), Milhouse van Houten, Krusty the Clown, Peanut Otter, Butter Otter, Jelly Otter, Ernest Otter, Opal Otter, Flick Duck, Munchy Beaver, Pinch Raccoon, Scootch Raccoon, Ootsie and Bootsie, The Little Einsteins (Leo, June, Annie, and Quincy), Jake the Pirate, Izzy, Cubby, Skully, Big Bird, Oscar the Grouch, Snuffy, Elmo, Zoe, Grover, Telly, Rosita, Baby Bear, Abby Cadabby, Bert and Ernie, Cookie Monster, Prairie Dawn, Count von Count, Bear, Ojo, Pip and Pop, Treelo, Tutter, Bugs Bunny, Daffy Duck, Porky Pig, Sylvester, Tweety, Foghorn Leghorn, Yakko Warner, Wakko Warner, Dot Warner, Garfield, Odie, Chloe King, Alek Petrov, Amy, Paul, Jasmine (The Nine Lives of Chloe King), and Brian Rezza will guest star in this film.
- Captain Hook, Hades, Dr. Facilier, Governor Ratcliffe, Scar, Yzma, Cruella De Ville, Sideshow Bob, Saddam Hussein, Yosemite Sam, Elmer Fudd, Miss Finch, Ursula, the Queen of Hearts, and Syndrome will join the Queen (from Snow White), Maleficent, Jafar, and the Big Bad Wolf in the Grim Grinning Ghosts part.