What occurs twice in a lifetime, but only once in a year, twice in a week, but never in a day?
The letter "E".
What do you call two birds stuck together?
What do you call it when a chemist gets way too angry?
What do you call chiropractors that work for the zoo?
What did Tom get when he locked Jerry in the freezer?
Which cats have the best manners?
Which type of pigs constantly have foot problems?
Where can you always get cheap gas?
Where do you take sick ponies?
What's a mermaid's favorite TV show?
What does breakfast cereal say to greet each other?
Why is a bee's hair always sticky?
Why did the tree need to take a nap?
Who is a carpenter's favorite singer?
Who helps the little pumpkins cross the road to school?
What is the worst holiday to watch old westerns on?
Why are skeletons so calm?
Why did the computer break up with its mouse on Valentine's Day?
Which celebrity provides legal counsel on the side?
What do felines love to plant in a garden?
What did the baseball glove say to the ball?