Peternormal Activity is episode 04 of family guy season 14. It was originally aired on October 25, 2015.
The guys go to an abandoned asylum seeking inspiration for a new horror movie idea, but end up accidentally killing a man they think is keeping them hostage. Wracked with guilt, they each try to pin the murder on someone else. Meanwhile, Stewie is on a mission to destroy Brian’s glasses because he’s annoyed by how pretentious Brian’s been acting when he wears them.