Maybe the dog is scared because it doesn't know what's going to happen at the vet's office. It could be worried about getting shots or other treatments.
Maybe the dog is sick or injured and needs medical attention.
It could be that the cartoon dog's appearance or the way it behaves in the vet's office creates a funny scene. Maybe it refuses to cooperate and causes chaos, or has a unique costume that adds to the humor.
Maybe it saw something threatening like a big monster or a scary noise.
Maybe it saw something really scary, like a big monster or a creepy shadow.
Maybe there's a big monster in the cartoon that's scaring the dog.
It could be that the owner of the cartoon dog decided to have it spayed to ensure its long-term health and well-being. Spaying can also contribute to a calmer and more manageable pet.
The dog might be scared of fireworks in the cartoon because of the loud noises and sudden flashes of light. They can startle and frighten the dog.
Maybe it saw something scary like a big monster or a mean cat.
Maybe it's because the thunder is loud and sudden, which startles the dog.
Maybe the dog was too big and aggressive, which frightened the cat.