Lassie

Lassie is an American television series that follows the adventures of a female Rough Collie dog named Lassie and her companions, both human and animal. The show was the creation of producer Robert Maxwell and animal trainer Rudd Weatherwax and was televised from September 12, 1954, to March 25, 1973. The eighth longest-running scripted U.S. primetime television series (after The Simpsons, Law & Order: Special Victims Unit, Gunsmoke, Law & Order, Family Guy, NCIS, and American Dad), the show ran for 17 seasons on CBS before entering first-run syndication for its final two seasons. Initially filmed in black and white, the show transitioned to color in 1965.