* ItWasHisSled: The dog contracts rabies and has to be shot.
* MisaimedMarketing: Since 2005, Disney and Kroger have been selling Old Yeller Dog Food.
* NightmareFuel: Older Yeller when he's infected with rabies.
* TooDumbToLive: Arliss tries to open up the corn crib that contains a rabid Old Yeller, even when can clearly see the dog snarling, lunging, barking, and acting not at all like the cuddly family pet.
** Then there was the incident with the bear cub.