In the series, the impact of fear on the children is portrayed through their behavior, emotions, and actions. The children in the series often show signs of anxiety, stress, and insecurity as a result of the fear they experience. This fear can lead to changes in their relationships, decision-making, and overall well-being. The series showcases how fear can have a profound effect on children's mental and emotional development, highlighting the importance of addressing and overcoming these fears to lead a healthy and fulfilling life.