What did the doctor say when the nurse told him the invisible man was there?
Tell him I can't see him.
What do you say to a rabbit on its birthday?
Will invisible planes ever be popular?
What game do brothers play to annoy their sisters?
Why is money so stubborn?
What's a worm's favorite holiday?
What is the best way to keep dogs out of the street?
What song does the horizon sing every morning?
What do you call a happy Lassie?
Why were the atoms always hungry?
Why did the bird always get approached by suitors?
Where do snowmen go to dance?
Which letter is the sleepiest in the alphabet?
How did the bee always know what everyone was gossiping about?
What do you call the donkey with 3 legs?
Why don't math teachers like conspiracy theories?
Why did the sailor lose his job?
What shape has a knighthood?
Why did the bunnies go on strike?
Why do archers make great cow optometrists?
Which animal makes the best landscaper?