Season 1 Plot The first season of the television series Lassie premiered in the United States on CBS on September 12, 1954 and ran for 26 episodes until its conclusion on March 6, 1955.

Corey shows an old friend why a buffalo hunt will improve the quality of life in a herd while Lassie helps a perpetually straying calf get back to its mother, who is sleighted to be killed. While ...