A Monster in the House

Watch A Monster in the House full movie online Movies123. Watch A Monster in the House 123movies online for free. A Monster in the House 123movies: Two siblings must learn to confront their childhood trauma when their abusive father passes away. Left with a house full of bad memories, they spend the weekend clearing it out, all too eager to be rid of it. But all these years later, something they thought was a figment of their childish imagination has returned, feeding on the fears instilled in them by their father.