What do you have in December that you don't have in any other month?
The letter D.
What kind of instrument can someone play with their stomach?
Who did the monster take to the Halloween dance?
Why are chemists so good at solving problems?
Why did Adam quit his job at the helium factory?
Where do logs like to go on hikes?
Where do cows go for lunch?
Why was the father caterpillar so angry?
Why do basketball players like cookies?
OK, that's enough fish puns.
Why did the mayor cancel his motorcade?