My Little Pony Friendship Is Magic Season 5 Episode 11 Party Pooped Episode Title:Party Pooped.Episode Description:A friendship summit with visiting yaks turns into a disaster when the ponies fail to replicate the yaks' traditions, angering them into declaring war. Feeling pressured by her inability to appease the yaks, Pinkie Pie decides she must bring something from their native land of Yakyakistan to make them feel at home. She embarks on a journey across Equestria and receives help from various ponies, but when she reaches Yakyakistan's gates, she accidentally slides all the way back home on a sled. Pinkie despairs over her wasted effort, but she is inspired by her friends' appreciation of her hard work to share the ponies' own tradition of friendship with the yaks, who are touched and make peace with the ponies.