The Explorers is a documentary series that originally aired from September 1, 1972 to March 1, 1973. The executive producer was Jerry Johnson, and the directors included David McCallum, Dewitt Jones and Max H. Rehbein. The writers for the show included Paul Boorstin, Joan Meyerson, Mose Richards and Andrew Solt and Bud Wiser. Leslie Nielson, a Canadian-American actor in stage, film and television, narrates all episodes in the series. Each episode in the series covers a specific explorer, using accurate recreations based on historical records. The pilot episode is about Charles Montagu Doughty, who traveled extensively during the 1870s and 1880s. The scenes in this episode are based primarily on Travels in Arabia Deserta, a travel book written by Doughty in 1888. This episode uses the extravagant style of writing in this book to describe Doughty's trek through the Arabian Desert. The episode also has material from Doughty's books on his travels in Asia through 1920.