Stream The Babysitter 4 Online Free – Watch Full Movie from Home at 123Movies. . When boyfriend Xander tells Natasha he has to leave her to go watch his little brother, Natasha offers to babysit so they can spend more time together. Thinking of all the hot sex they can have, Xander agrees to the plan. But mom Raylene doesn't like the way her husband Christian looks at Xander's curvy young girlfriend and decides to replace Natasha with her best friend's daughter Melanie. Xander falls for Latin beauty Melanie and dumps Natasha, much to Raylene's delight. But will the evil plan backfire when Christian learns he may never see Natasha again? Never leave your husband alone with the babysitter - especially if you've fired her.