Season 0 of Lassie premiered on Feb 13, 1963
Season 1 of Lassie premiered on Sep 12, 1954
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. Produced by Robert Maxwell, the episodes follows the adventures of a female rough collie named Lassie and her young owner Jeffrey Miller. In 1958, the first through third seasons began syndication under the title "Jeff's Collie."
Though the first season of Lassie has never been released completely to home video, some episodes from the first season have been released to DVD. On November 25, 2003, Classic Media released a three episode set, "Lassie: Best of Jeff's Collie," which included the series first episode, "Inheritance". A second set, "Lassie: 50th Anniversary Collection", was released on September 14, 2004 and contained 24 episodes from across the entire series. The set includes three episodes from the first season: "Inheritance", "The Lion", and "Lassie's Pups".
"Secret of the Silent Hills", composed by William Lava, is used as the opening and ending theme for the entire season.
Season 2 of Lassie premiered on Sep 11, 1955
Season 3 of Lassie premiered on Sep 09, 1956
Season 4 of Lassie premiered on Sep 08, 1957
Season 5 of Lassie premiered on Sep 07, 1958
Season 6 of Lassie premiered on Sep 06, 1959
Season 7 of Lassie premiered on Sep 11, 1960
Season 8 of Lassie premiered on Sep 10, 1961
Season 9 of Lassie premiered on Sep 30, 1962
Season 10 of Lassie premiered on Sep 29, 1963
Season 11 of Lassie premiered on Sep 06, 1964
Season 12 of Lassie premiered on Sep 12, 1965
Season 13 of Lassie premiered on Sep 11, 1966
Season 14 of Lassie premiered on Sep 10, 1967
Season 15 of Lassie premiered on Sep 29, 1968
Season 16 of Lassie premiered on Sep 28, 1969
Season 17 of Lassie premiered on Sep 20, 1970
Season 18 of Lassie premiered on Oct 07, 1971
Season 19 of Lassie premiered on Sep 16, 1972