The six pets may hang out together sometimes on the weekly pony-pet play dates, but not all of them get along so well. So now that they've all gotten totally lost together with none of their owners anywhere in sight, can they all learn to cooperate so they can all get back home to Ponyville in one piece? With such a long way to go, who knows what these domestic animals might encounter and what they might learn along the way. And just who are they going to count on to get them there?