Why did the two science teachers start dating?

What do a hot day and a doctor have in common?

Knock, knock. Who's there? To. To who?

Why did the park ranger quit his job?

Why did the tadpole feel lonely?

What do you call it when Batman skips church?

Where do moms like to vacation in Florida?

Why did the patient reveal secrets to her dentist?

What should you do when no one laughs at your science jokes?

Did you hear about the claustrophobic astronaut?

Why did the robot take a summer vacation?

Where do termites go camping?

What superpower do all middle children have?

What's the difference between a pickpocket and an umpire?

How do you wash a lamb?