Fearful delights Many people enjoy the feeling of fear as long as it occurs under controlled circumstances, as when they are safely watching the tension grow in the hugely popular series of movies Paranormal Activity 1, 2, 3, and 4 (plus the Latino-oriented spinoff Paranormal Activity: The Marked Ones), among the most profitable films ever made. In this shot from a scene in the first film, the lead character Katie tries to escape a supernatural presence in her house.