When someone says, "Knock knock," it's almost physically impossible to not respond with "Who's there?" Face it, you just have to know the answer. But in the sea of thousands—if not millions—of knock knock jokes, there are a select few that stand out amongst the rest. We've compiled a list of the top ten that are guaranteed to get a chuckle out of you. Read on to see the best knock knock jokes that you probably haven't heard of!
1. Knock Knock. Who's There? Robin. Robin Who?
Robin you, now hand over the cash!
2. Knock Knock. Who's There? Cash. Cash Who?
No thanks, I'll have peanuts.
3. Knock Knock. Who's There? To. To Who?
It's to whom.
4. Knock Knock. Who's There? Iran. Iran Who?
Iran all the way here. Let me in already!
5. Knock Knock. Who's There? A Little Old Lady. A Little Old Lady Who?