After being sold at the family's yard sale, Walter is put to use blowing up balloons for a clown who is bent on robbing banks, but he escapes and becomes a hero.
When an expert on animal gas tries to cure Walter, his farts keep building up until he floats away and is blown by the wind to a distant place, where he once again proves himself a hero.
After being sold at the family's yard sale, Walter is put to use blowing up balloons for a clown who is bent on robbing banks, but he escapes and becomes a hero.
The gentle extraterrestrial's return to his home planet discloses that he has fallen out of favor with his colleagues, who try to prevent his journey to Earth to provide spiritual guidance for his young friend Elliott.
Because his farts create unpleasantness for everyone on a cruise ship, Walter the dog continues the journey in a lifeboat, but when the ship's computer crashes, causing the liner to drift, Walter again proves himself a hero.