Feature debut, "Lassie Come Home"

Portrayed Lassie and her son Laddie in the sequel, "Son of Lassie"

Co-starred as Bill with Elizabeth Taylor in "Courage of Lassie"

Starred in the radio series "Lassie" in which Pal did the barking

Played a supporting role in the popular John Wayne Western, "Hondo"

Starred in the classic children's adventure series, "Lassie", on CBS

Four TV episodes were edited together and released theatrically as "Lassie's Greatest Adventure"

Starred in the first run syndicated version of "Lassie"

Featured in the animated CBS children's series, "Lassie's Rescue Rangers"

A sixth generation Lassie made a feature comeback with James Stewart in "The Magic of Lassie", a remake of "Lassie Come Home"

Starred in a two-part ABC special cum pilot entitled "Lassie: The New Beginning"

Starred in the syndicated series, "The New Lassie"

Profiled in the PBS documentary, "The Story of Lassie"

Spotlighted in the ABC tribute, "Lassie Unleashed: 280 Dog Years in TV"

An eighth generation Lassie returned to films in the Lorne Michaels-produced feature, "Lassie"