Perhaps what you saw was the 1987 Golden Anniversary of Snow White and the Seven Dwarfs
Here's a recording of the TV special: https://archive.org/details/99x20071116T1410190800
And in case that link stops working: https://disney.fandom.com/wiki/Golden_Anniversary_of_Snow_White_and_the_Seven_Dwarfs
Disney's Golden Anniversary of Snow White and the Seven ...
Does a version exist where these scenes were added in?
From all available reports these sequences were never completed being removed from the movie at the scripting stage.
Rough versions do exist on Youtube for instance:
As regards availability, apparently these "deleted" scenes are available on the Walt ...