Watch The Amityville Moon (2021) HD Full Movie Free on SolarMovie. Watch The Amityville Moon (2021) online free. As Alyssa and Karla try to escape from the church home that holds them captive, Karla is slaughtered...As Alyssa and Karla try to escape from the church home that holds them captive, Karla is slaughtered by a vicious, semi-human creature.