My Little Pony Equestria Girls: Forgotten Friendship

My Little Pony Equestria Girls: Forgotten Friendshi[ is an upcoming Equestria Girls hour-long specials.

From Discovery Family
"In this brand new one-hour special, Sunset Shimmer is shocked when she discovers she’s been erased from her friends’ memories, leading her to search for the magic and the perpetrator who did such a dreadful deed." <?ref>