In the third season of "Poltergeist: The Legacy," the members of the Legacy continue their mission to protect humanity from supernatural threats. This season sees them face a multitude of dangerous and mysterious entities, including vengeful spirits, powerful witches, and ancient gods. As they investigate these paranormal phenomena, the team must also navigate their own personal struggles, forming new alliances and facing unexpected betrayals. With each episode, the stakes get higher, testing the strength and unity of the Legacy as they fight to keep the world safe from the forces of darkness.