If you thought nothing could top Morgan Freeman talking on helium, you might want to reconsider. The June 25 episode of his Science Channel series Through the Wormhole explores the question, “Is a Zombie Apocalypse Possible?” Frightened? As Freeman told EW earlier this month, you don’t really have to be: “This whole thing with zombies is BS, for the most part. However, there is another side to that one coin: There are zombies, at least in the insect world.”
Watch a sneak peek below to learn how an ant foraging for food can pick up a spore of the colloquially-termed “zombie ant fungus”—which multiplies, infects its brain, and releases mind-controlling chemicals. It’s equal parts amazing and horrifying, so feel free to rewind. We’ve made a GIF to haunt you.
Through the Wormhole with Morgan Freeman airs Wednesdays at 10 p.m. ET on Science.