Season
- Season 19 1972-09-16
- Season 18 1971-10-07
- Season 17 1970-09-20
- Season 16 1969-09-28
- Season 15 1968-09-29
- Season 14 1967-09-10
- Season 13 1966-09-11
- Season 12 1965-09-12
- Season 11 1964-09-06
- Season 10 1963-09-29
- Season 9 1962-09-30
- Season 8 1961-09-10
- Season 7 1960-09-11
- Season 6 1959-09-06
- Season 5 1958-09-07
- Season 4 1957-09-08
- Season 3 1956-09-09
- Season 2 1955-09-11
- Season 1 1954-09-12
- Season 0 1963-02-13
Episode
- Episode 1: Lassie's Race for Life
- Episode 2: Burst of Freedom
- Episode 3: The Holocaust (1)
- Episode 4: The Holocaust (2)
- Episode 5: Last Frontier
- Episode 6: Eagle's Dynasty
- Episode 7: Day of the Wolf
- Episode 8: Glacier Canyon
- Episode 9: Track of the Jaguar (1)
- Episode 10: Track of the Jaguar (2)
- Episode 11: New Horizon
- Episode 12: Out of the Frying Pan
- Episode 13: Lassie and the 4-H Boys
- Episode 14: Deadly Game
- Episode 15: What Price Valor? (1)
- Episode 16: What Price Valor? (2)
- Episode 17: A Chance to Live
- Episode 18: The Return Home
- Episode 19: Tempest (1)
- Episode 20: Tempest (2)
- Episode 21: To Catch a Crow
- Episode 22: Walden
- Episode 23: The Stalker
- Episode 24: Price of Wisdom
- Episode 25: Night of the Ghost
- Episode 26: Time of Crisis
- Episode 27: Lassie and the Flying Squirrels
- Episode 28: Moonshiners
Lassie Season 15
Lassie is the pet of Jeff Miller, an 11-year-old farm boy. The two become best friends and enjoy family adventures in the American countryside, teaching each other about love, nature and commitment.
