My Little Pony: Friendship Is Magic (2010)

S8E23 Sounds of Silence

Fluttershy and Applejack embark on a friendship mission to the outskirts of Equestria, aiming to assist a group of timid beings known as Kirin. These gentle creatures have become so concerned about causing emotional pain to one another that they have chosen to remain silent. The duo seeks to help them find their voices and restore harmony within their community.