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Dennis asks his mom and dad, Mavis and Johnny, to allow him to get a pet puppy. Mavis and Johnny however, tell him they do not want to look after a pet. Saddened Dennis goes to his grandfather Dracula to persuade him to get him a puppy. Unable to say no Dracula agrees and gets Dennis a monster-sized puppy who Dennis quickly falls in love with. However, this new pet may prove to be more than Dracula can handle.
Genndy Tartakovsky was working on this short, Hotel Transylvania 3, and his 5th season of Samurai Jack all at the same time.