Fright (1971)

Babysitter Amanda settles in at the eerie Lloyd home to look after their young son for the evening. As darkness envelops the old house, unsettling events begin to unfold, leaving Amanda increasingly anxious. The situation escalates dramatically when the child's biological father, having just escaped from a mental institution, unexpectedly shows up, turning a seemingly routine night into a harrowing fight for survival. With tension mounting and danger lurking, Amanda must confront her worst fears in a chilling battle against an unpredictable threat.