My Little Pony: Rainbow Roadtrip (2019)

When they arrive in Hope Hollow, Twilight Sparkle and her friends realize that their dream vacation is more like a nightmare. The town and all it's residents are devoid of color. So the Mane 6 take it upon themselves to solve the mystery behind this washed-out world in order to bring the 'rainbow' back to the Rainbow Festival and color back to the lives of their new friends.