The premise of the movie is: A little boy lives with his crabby aunt who sends him to the store and he comes back with saltine crackers instead of unsalted crackers and on his way back to the store some how finds himself in a fantasy world where an evil guy with a black heart tries to keep him from finding his dad who was a king in the clouds.
Help please! This has been plaguing our family for months.

Previously asked and answered:

https://www.askmehelpdesk.com/movies/kids-movie-late-1970s-mid-1980s-fantasy-film-genre-know-160102.html?highlight=faraway