Night of the Living Gretchen is a upcoming 2020 movie about Fireside Girl Gretchen saving the world from Doofenshmirtz. With the help of Thomas, Percy, Jc, Gordon, and more of Jc's friends and frenemys from other parts of the world from chocolate factories to toys to trains to everything Gretchen will save the world and her friends.
- Fireside Girls Theme (sung by Isabella and the Fireside Girls)
- The Locomotion By Atomic Kitten
- Don't Stop (sung by Thomas and the Steam Team)
- Really Useful Girl (Based on Really Useful Engine from Thomas & Friends) (sung by Isabella, The Fireside Girls, and Gretchen's new friends) (and used again for the credits)