>> Dav Pilkey: Hey, everybody. This is Dav Pilkey, and today
we're going to be reading from Dog Man Lord of the Fleas. This is Chapter Four,
Revenge of the Fleas. [ Music ] Meanwhile -- >> Petey: Hey Papa! Knock-knock. >> Grampa: Would
you cut that out? >> Petey: You're supposed
to say, "Who's there?" Come on, Papa! It's a really awesome
one this time! >> Grampa: Who's there? >> Petey: Umm, uhh, a sidewalk. >> Grampa: A sidewalk who? >> Petey: A sidewalk
pooped on your head. [ Petey Laughing ] >> Grampa: That's not how
knock-knock jokes work! Look -- we don't
have time for this! Get up! I'm not going
to carry you! [ Petey Laughing ] >> Petey: Hey Papa! I got another one! >> Grampa: No! >> Petey: Aw, come on. It's a super-dooper good one. Come on. Knock-knock! Knock-knock, Papa! >> Grampa: Who's there? >> Petey: A big robot
brontosaurus. >> Grampa: Aaaah! >> Petey: Papa! You're supposed to say "a
big robot brontosaurus who?" >> Sarah: This is Sarah Hatoff
with a breaking news update! A big robot brontosaurus
is attacking, and the good guys
are in hot pursuit! Now, it's time for my exclusive
interview with the crooks. >> Piggy: We're not crooks! We're megalomaniacs! I am Piggy, Leader of the Fleas! >> Sarah: The Fleas? >> Piggy: It's an acronym for
Fuzzy Little Evil Animal Squad. >> Bad Guy Two: But
Boss, I'm not fuzzy. >> Bad Guy Three:
And I'm not little. >> Bad Guy Two: We should
come up with a better name! >> Bad Guy Three: Yeah! >> Piggy: It's too late. I already ordered coffee
mugs and mouse pads! Besides, we've got more
important things to do. >> Police Officers:
Not if we can help it! Flip-O-Rama Battle. [ Police Officers
Battling Bad Guys ] >> Piggy: So, you think
you're tough, do you? Well, take this. >> Police Officers
and Sarah: Help! >> Piggy: It looks like
you've reached the end, Petey. [ Robot Brontosaurus
Making Chewing Noises ] >> Piggy: Hey! Where'd they go? >> Bad Guy Three: I bet they
escaped down that sewer! >> Petey: Hey Papa. >> Grampa: What? >> Petey: Knock-knock. >> Grampa: This is not the
time or the place for that. >> Petey: No, seriously. This is the best one ever! >> Grampa: All right. Who's there? >> Petey: Umm, uhh, a ladder. >> Grampa: A ladder who? >> Petey: A ladder
pooped on your head. [ Petey Laughing ] >> Grampa: Look -- that's not
how those jokes are supposed to go. Knock-knock jokes have a
very specific structure! They're based on
switching expectations! I'll give you an example. Knock-knock! >> Petey: Who's there? >> Grampa: Dwayne. >> Petey: Dwayne who? >> Grampa: Dwayne the bathtub! I'm dwowning! Don't you get it? >> Petey: But you're
not in a bathtub! >> Grampa: That's not the point! The point is, you were
expecting someone named Dwayne. But I switched it around! That's why it's funny. >> Petey: It would
have been funnier if the bathtub pooped
on your head. >> Grampa: What is
it with you and poop? Look, you can't tell the
same joke over and over and expect it to still be funny! You can't do the same
things again and again and expect to get a laugh! You got to avoid
repetition, shun redundancy, eschew reiteration,
resist recapitulation, and also stop telling the
same jokes over and over.
