Fullmetal Alchemist Adventures of We're Back: A Dinosaur's Story is another crossover film by Obp312/FmaandFriends321. It will appear on Youtube in the near future.
Edward and his brother Alphonse with their friends (Sora, Kanu, Ash, Pikachu, Cilan, Iris, Sasuke, Ezio, and Gingka) must help out the now-intellengent dinosaurs from the Prehistoric Era get to the Museum of Natural History and find Dr, Bleeb, along the way they encounter two children named Louie and Cecilia (with the help of Noel) they all become friends, they must also avoid Professor Screweyes at all costs.
- Noel Kreiss are guest starring in this film.
- Itachi Uchiha will be present in the near end of the film.