January 17, 1973
Episode 1 of 1973 premiered on January 17, 1973
February 15, 1973
Episode 2 of 1973 premiered on February 15, 1973
April 12, 1973
Episode 3 of 1973 premiered on April 12, 1973
September 6, 1973
Episode 4 of 1973 premiered on September 6, 1973