Jeffrey, Jaden, Hiccup & Friends go to Gravity Falls - Weirdmageddon Part 1 is an upcoming crossover to be made by Tigerman531, Aaron the Meerkat and Ren the God of Humor.
- VILLAIN GUEST STARS: Set the God of Chaos, The Chameleon, Turbo, Drago Bludvist, Queen Chrysalis, Tirek, Slade, Vanitas, Zant, Cleo Quinzel, Fang, Negaduck, Megavolt, Bushroot, Liquidator, Quackerjack, Lord Hater, Commander Peepers, Lord Dominator, Dr. Eggman, Slappy the Living Dummy, Team Rocket, Jafar, Maleficent, Myotismon, Pete, The Joker, Harley Quinn, Penguin, Two-Face, Riddler, Mad Hatter (Batman), Ursula, Zira, Forte, Hans, Lex Luthor, Giganta, Sinestro, Killer Frost, Poison Ivy, Mirage, Arukenimon, Mummymon, Rudy, Scroop, Janja, Cheezi, Chungu, Jessie, James, Meowth, Clayface, Killer Croc, Dr. Facilier, Frollo, Rothbart, Lord Shen, Darla Dimple, Max, Steele, Joe the Fish, Rasputin, Rock Titan, Ice Titan, Lava Titan, Wind Titan, Vilgax, Grand Duke of Owls, Nigel,
- The storyline continues with Jeffrey, Jaden, Hiccup & Friends go to Gravity Falls - Weirdmageddon Part 2: Escape from Reality.
It's Our House Now!
- Bill: You heroes failed to protect this world from my realm, and now we villains are taking over!!! *sings* This could be quite the place!
- Poison Ivy: *sings* Full of wholesome, happy faces!
- Mirage: *sings* Hanging out!
- Mad Hatter: *sings* Feeling fine!
- Lord Shen: *sings* Where Everyone's a Friend of mine!
- Killer Frost: *sings* Inside this evil joint!
- Two-Face: *sings* Every guest gets to the point.
- Chameleon and Chrysalis: *sing* This day will live in infamy!!
- (A clock strikes on 12)
- Ursula: Gravity Falls is history!!! *laughs*
- Villains: *sing* It's our house now!!! It's our house now!!!
- Harley Quinn and Poison Ivy: *sings* It's the fact you can't ignore!
- Joker, Riddler, and Mad Hatter: *sings* Shut the windows!!
- Commander Peepers: Lock The Doors!
- Villains: *sing* It's our house now!!!
- The Fearsome Five: *sing* Raise your mugs you thieves and thugs!
- Villains: *sings* It's our house now! Ooh what a party!! Join the fun with no regrets!! Only greedy dirty cheats are allowed!!!
- Queen Chrysalis: Get those ponies!!!
- Lord Hater: Game Over, Hiccup!!!
- Zira: Hit the road, Jaden!!!
- Tirek: Take a hike, Jeffrey!!!
- Villains: *sings* It's our house now! Don't bother coming back! It's our house now!!!
- (The villains laugh at their victory)