You are going to Watch Gravity Falls Episode 16 online free episodes with HQ / high quality. Stream cartoons Gravity Falls Episode 16 Online Carpet Diem. With Mabel having Candy and Grenda come for a sleepover every day, Dipper feels uncomfortable about sharing a room with her. When Soos discovers a secret room in the shack, Dipper and Mabel fight over it, but then their bodies are swapped when they make contact with the carpet on the floor of the room. Meanwhile, Soos and Waddles switch bodies as well and Old Man McGucket tries to eat Soos.