Old Faithful - 1973 t.v. Special with Bobby Sherman

A Forest Ranger (Zero Mostel) is asked by his boss (Burgess Meredith) to attract a world-breaking crowd to Yellowstone National Park, and various celebrities are enlisted to help. It seems that each celebrity thinks he or she is the only one asked until they meet up with each other. Starring Bobby Sherman, Zero Mostel, Joey Heatherton, Jason Robards, Jill St. John, Burgess Meredith, and Sammy Davis Jr. First aired March 12, 1973.