Ark II is an American live-action science fiction television series, aimed at children, that aired on CBS from September 11 to December 18, 1976, as part of its weekend line-up. Only 15 half-hour episodes were produced.
Three young scientists travel around the country in the 25th century after the world has been ravaged by pollution. In their hi-tech RV (called Ark II), they study the land and help out those in need.