Watch The Night Sitter (2018) HD Full Movie Free on solarmovie.do. Watch The Night Sitter (2018) online free. A con artist poses as a babysitter to steal from a wealthy occult enthusiast. One of the kids she's ...A con artist poses as a babysitter to steal from a wealthy occult enthusiast. One of the kids she's sitting unwittingly summons a trio of witches known as The Three Mothers.