Watch on Soap2day. In this dark comedic horror short, everyman David is forced into committing a heinous act. But, when our reluctant killer attempts to cover up his crime, he is faced with his toughest challenge yet... a nosy, door-to-door Jehovah's Witness. Will David get away with murder? Will the power of Christ save this sinner's soul? Will YOU be able to look at an electric turkey carver the same way again? All this and more will be revealed in KNOCK KNOCK!