Boogeyman

Homer is napping in his office when he hears someone knocking on his office door, it scares him awake and he assumes that there are intruders in the house. He quickly reaches for his phone but cannot find it and thinks the intruders have taken it. He rushes to Barts room to warn him then grabs his gun. He walks around the house paranoid looking for the intruders but cannot find them. Cut to Marge driving home, she finds Homer's cell phone. She arrives home and finds Homer barricaded in the bedroom. Homer accidentally shoots her. The phone rings and he realizes it was all in his head.