Knock, knock. Who is there? Broken Pencil. Broken Pencil who? Never mind, it's pointless.
*knock knock knock* Doctor? *knock knock knock* Doctor? *knock knock knock*... *haha can you imagine Sheldon trying to logically approach everything with the doctor? OMG they would be constantly arguing, he would abandon him on some strange planet lol
Knock Knock Knock PENNY - Big Bang Theory Keychain, Gift, Funny, Pennies, Little Something Extra
Knock Knock Knock PENNY - Big Bang Theory Keychain, Gift, Funny, Pennies, Little…
The World's Worst Knock Knock Jokes
Another great knock knock joke!
Possibly The Best And Most Convoluted Knock Knock Joke Ever
When Knock Knock jokes go rogue.
101 Rib-Tickling Funny Knock Knock Jokes for Kids
100 Funny Knock Knock Jokes For Your Kids: get ready for some laughter and fun with our collection of knock-knock jokes for kids!
34 Funny Knock Knock Jokes For Kids
A list of 34 (and growing) funny knock knock jokes for kids to have on hand! They are great for family vacations like road trips.
24 New Knock Knock Jokes
24 New Knock Knock Jokes to use with your child when hanging out.
25 Hilarious Knock, Knock Jokes for Kids
25 Hilarious Knock, Knock Jokes for Kids - Clean jokes that are funny!
Knock, knock, knock...Penny?? One of the funniest interactions of the show!!