Last Halloween, Netflix released a short spin-off of Sing featuring the animated cast taking part in a fairly faithful recreation of John Landis’ iconic music video for Michael Jackson’s “Thriller”. It was an innocuous distraction, fit for the season, that introduced kids to zombies. Any kid who was interested, entertained, or joyfully spooked by that short film should make Night of the Zoopocalypse their next watch. It’s basically a longer version of that short film except, in this…