- Trope Namer for:
- AFIS 100 Years 100 Heroes And Villains:
- #39 Hero, Lassie (Lassie Come Home)
- Beam Me Up, Scotty!: For all of the other trouble he got into Timmy never did fall down a well.
- Missing Episode: One episode in which Timmy comes across a fallen satellite and is exposed to radiation wasn't shown originally due to a widespread radiation fears at the time. It was eventually aired much later.
- The Other Darrin: The various Lassies; and among the human cast, the actors playing Timmy's adoptive parents were both replaced after one season.
- The Red Stapler: Collies gained quite a bit of popularly from this show.