Searching of... is a tv set that has been broadcast per week from 1977 to 1982, specialized in mysterious happenings. It had been created after the achievement of three Television documentaries Created The Outer Space Connection and by creator Alan Landsburg: Searching for Ancient Astronauts in 1973, Searching for Ancient Mysteries, equally in 1975. Each of three featured narration by Rod Serling, who was the initial choice to sponsor the show. After the death of Serling, Leonard Nimoy has been selected to become the sponsor.