* AdaptationDisplacement: Even the 1943 film is overshadowed by the TV series, let alone Eric Knight's original novel. The popular image of Lassie is a HeroicDog saving people in trouble, though the novel was not about that at all.
* MemeticMutation: see below.
* CommonKnowledge: For all of the other trouble he got into, [[TimmyInAWell Timmy never did fall down a well]].
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