From SneakPeekTV, take a look @ Fleischer Studios' 1937 "Popeye The Sailor" cartoon short "Protek the Weakerist" restored to its original Stereoptical process:
"...'Popeye' is asked by 'Olive Oyl' to walk her female dog, 'Fluffy' but is confronted by 'Bluto' and his bulldog.
"Now Popeye and Bluto plus Fluffy and the bulldog each have a score to settle..."
Click the images to enlarge and Sneak Peek "Popeye The Sailor: Protek the Weakerist"...