What did the doctor say when the nurse told him the invisible man was there?

Why did the barber win the race?

Why is your lawyer such a smart guy?

Why did the witch stay in a hotel?

Why is laughter the best medicine?

Why is the piano so hard to open?

What is the solar system's favorite candy?

Why do kids love theater classes?

How do scientists freshen their breath?

Why was there traffic on the Oregon Trail?

What's a cat's favorite snack?

What did President Hoover say the first time he saw fireworks?

Why are giraffes so slow to apologize?

Why don't eggs tell jokes?

Where do shellfish go to borrow money?