When is a black dog not a black dog?
When it's a greyhound.
Why did the two red blood cells break up?
Why is winter considered holy?
Why don't horses ever go to the doctor?
What's a sled dog's favorite snack?
Why did the doctor let his dog help with his patients?
What did the basketball player say when he lost his job?
Why are cat owners so good at tipping?
Why did the student wear a dog collar to school?
What is an insect's favorite beverage?
Which insect is the smartest?
Where do milkshakes come from?
What's a mummy's favorite food to eat?
Where did the broccoli go to have a few drinks?
Why did Spider-Man get in trouble with his mom?
Which rock group consists of four men that don't sing?
What car always breaks the rules?
What's a leprechaun's favorite kind of music?
How do you add one to ten to get nine?
Who's in charge of the school during summer vacation?
Why can't dogs operate MRI machines?