(Sequel: >>1513643)

In one of those recent, poorly-done "toy channel" animations on Youtube, a zombie kills Pinkie Pie's dog while she takes it for a walk, before hypnotizing her to behave like a dog so he would take her for a walk. As expected in these predictable videos, things will not go well. (And I admit that it looks amusingly ridiculous.)

Here is an article about those kinds of videos, in which Twilight, Flash, and Adagio show up as typical characters: http://www.horse-news.net/2017/08/i-think-im-having-fever-dream-kids.html