One night, Minnie Mouse and her friends, Alice Liddell, Wendy Darling, Olivia Flaversham, Lilo Pelekai, Kairi, Amy Rose, Kilala Reno, Susan Test, Namine, Viper, Rapunzel, Anna, and Merida were having a sleepover in their treehouse with their best friends, Timothy Q. Mouse, Jim Crow, Reverend Zachariah, Lil' Urle, Big Daddy Lou, Tyrone, Twilight Sparkle, Rarity, Pinkie Pie, Rainbow Dash, Fluttershy, and Applejack.