My Little Pony: Sunset on the Horizon

My Little Pony: Sunset on the Horizon is an American 3D CGI computer-animated musical made-for-TV film created by Universal Pictures and DreamWorks Animation.

Synopsis
When Susan Suns' evil and power-hungry identical twin sister, Sabrina Suns, arrives in Canterlot from jail and tries to ruin Susan's life by getting her friends to hate her, it's up to the Mane Group and the Equestria Girls to save their friend.