Lucas is in his twenties, with short puffy brown hair and wears jeans and an orange T-shirt.

Laura is in her twenties, with above the shoulders straight brown hair with bangs and wears jeans and a purple T-shirt.

As a song plays, Lucas and Laura walk in the woods, cross a bridge, balance on a fallen tree trunk, cross a stream, run across the city and in a park full of geese. Fast clips show them next to Greg playing and having fun in the tree fort. Greg is in his twenties, with short black hair. He wears a blue sweater.

The song says PACK UP YOUR BAGS KISS YOUR TURTLE GOOD-BYE COME UP AND CLIMB WHERE WE CAN TOUCH THE SKY SO MUCH TO SEE SO MUCH TO DO IN OUR TREE FORT WE'VE GOT A SHOW FOR YOU THAT TVOkids SHOW THAT TVOkids SHOW THAT TVOkids SHOW THAT TVOkids SHOW

[Geese Cackling]

Laura says PASSWORD, PLEASE.

Lucas whispers something in Laura's ear as a caption reads "Teeth."

In animation, a dialogue bubble pops out of a map with the title of the show: "That TVO Kids Show."

The song continues LA, LA, LA, DO, DO, DO, BLAH, BLAH, BLAH THAT TVOKIDS SHOW! THAT TVOkids SHOW.

(music plays)

Inside the tree fort, Laura stands next to a table set with a microscope, several test tubes and a crystal.
She's wearing a white lab coat and glasses.

She says HELLO, AND WELCOME TO WORLD SMILE DAY! THAT'S RIGHT, YOU'RE HANGING OUT WITH LAURA. IT'S WORLD SMILE DAY, AND I HAVE GOT A PRETTY INCREDIBLE SCIENCE EXPERIMENT FOR YOU, ALL ABOUT SMILING. CHECK IT OUT, WE'VE GOT ALL OF THESE THINGS HERE, BUT WE DON'T NEED ANY OF THEM! THAT'S RIGHT. WE ONLY NEED YOUR SMILE. SO THE WAY THIS SCIENCE EXPERIMENT WORKS IS WHEN YOU SMILE THERE'S A [INDISCERNIBLE] IN YOUR LIPS.

Lucas says HEY, LAURA, IS THAT YOU?

Laura says HUH?

Lucas says THAT YOU IN THE TREE FORT?

Laura says WHO'S THERE?

Lucas appears in the sky. He's wearing a white hoodie.

He says I DIDN'T RECOGNIZE YOU? IT SOUNDED LIKE SOMEONE I COULDN'T MAKE OUT.

Laura says HEY, LUCAS.

Lucas says HEY.

Laura says IT'S WORLD SMILE DAY. I WAS TELLING THE TVOkids ABOUT THIS COOL SCIENCE EXPERIMENT. DO YOU WANT TO KNOW ABOUT IT?

Lucas says 100 percent.

Laura says THE WAY IT WORKS IS WHEN YOU SMILE, SO SMILE.

Lucas says OKAY.

Laura says THE MUSCLES THAT CONTRACT IN YOUR FACE...

Lucas says YEAH, I CAN FEEL THEM.

Laura says UH-HUH. THEY ACTUALLY SEND A MESSAGE TO YOUR BRAIN.

As he smiles, Lucas says YEAH, I CAN FEEL IT.

Laura says OH, YOU FEEL IT?

Lucas says YEAH.

Laura says AND THAT MESSAGE RELEASES SOMETHING CALLED ENDORPHINS IN YOUR BRAIN, AND THOSE ENDORPHINS ACTUALLY HELP TO MAKE US FEEL HAPPY!

Lucas says OH.

Laura says SO IF YOU'RE EVER FEELING DOWN ONE DAY, YOU CAN TRY JUST SMILING.

Lucas says THIS IS A GOOD TIP.

Laura says AND THAT ACTION CAN HELP YOU FEEL BETTER.

Lucas says HOW LONG DO I HAVE TO HOLD IT FOR?

Laura says I DON'T KNOW. LET'S JUST KEEP TRYING.

Lucas says 15 MINUTES.

Laura says IT'S AMAZING. ISN'T THAT COOL?

[Frog horn]

Lucas says I LOVE THAT.

Laura says OH, I SHOULD GET THAT.

Lucas says THAT'S JUST MAKING ME SMILE JUST REGULAR. I DON'T EVEN HAVE TO TRY.

Laura picks up the Frog horn receiver and says HELLO, WHO'S CALLING?

A voice says RAYAN.

Laura says RAYAN, WHAT'S THE PASSWORD FOR TODAY?

Rayan says Teeth.

Laura says YES! SAY IT. YOU'RE GOING IN THE SKY.

Lucas says PUT HIM UP, PUT HIM UP, PUT HIM UP!

The screen splits to show Laura, Lucas and Rayan, who has short brown hair.

Rayan says HELLO!

Laura says RAYAN! HOW'S IT GOING?

Rayan says GOOD, THANK YOU. HOW ARE YOU?

Laura says SO GOOD!

Lucas says WE'RE SO HAPPY YOU'RE HERE.

Laura says WE'RE SO HAPPY TO HAVE YOU.

Lucas says TELL US, RAYAN, WHAT SORT OF THINGS MAKE YOU SMILE?

A caption reads "Rayan. Age 9."

Rayan says SOMETIMES MATH AND SCIENCE, AND WHEN I DO SOMETHING CALM LIKE ART.

Lucas says OH!

Laura says YEAH, SOMETHING FUN AND CALMING LIKE ART. THAT TOTALLY MAKES ME SMILE TOO. RAYAN, DO YOU HAVE ANY IDEAS OF GOOD WAYS TO MAKE SOMEONE ELSE SMILE?

Rayan says YES.

Lucas says TELL US.

Rayan says YES. MAYBE LIKE LEARN MORE AND, LIKE, SEE OF HOW YOU FEEL AND TRY TO MAKE YOURSELF SMILE AND THINK HAPPY THOUGHTS.

Lucas says THAT'S SOME GOOD ADVICE.

Laura says THINK HAPPY THOUGHTS.

Lucas says INSIDE YOUR BRAIN, RIGHT? THINK HAPPY THOUGHTS.

Laura says THAT'S GREAT ADVICE. NOW, RAYAN, I KNOW HOW I'M GOING TO MAKE YOU SMILE, BECAUSE IT'S TIME FOR CUTE TIME OOTS. ARE YOU READY?

Rayan says YES!

Laura says YEAH, OKAY! LET'S SEE THE CHAMPION.

Lucas says OH, BOY.

A voice says CHAMPION!

A short clip shows a quokka eating green leaves.

Lucas says OKAY, RAYAN, I JUST HAVE TO PREFACE THIS. THIS IS MY ALL-TIME FAVOURITE.

Laura says WE LOVE THIS ONE.

Lucas says WHAT DO YOU THINK?

Rayan says A SEVEN OUT OF TEN.

Laura says A SEVEN!

Lucas says SEVEN? HOW DARE YOU!

Laura says WOW. OKAY.

Lucas says OKAY, OKAY.

Laura says THIS IS GETTING INTERESTING. I LIKE IT.

Lucas says ME TOO.

Laura says WE BELIEVE THAT'S AN ANIMAL CALLED A KOAKA. WE DIDN'T KNOW ABOUT THOSE BEFORE, BUT THEY ARE SO CUTE. LET'S TAKE A LOOK AT THE CHALLENGER.

A voice says CHALLENGER!

A short clip shows a tiny capibara resting in the shade.

Lucas says OOH.

Laura says VERY SIMILAR, ALSO PRETTY CUTE.

Lucas says YEAH, IT'S CALLED A CAPYBARA, SO SIMILAR, VERY RODENT LIKE. WHAT DO YOU THINK OF THIS, RAYAN?

Laura says A TEN.

Laura says WHAT! TEN OUT OF TEN! LUCAS, I'M PRETTY HAPPY. CAPYBARA IS THE NEW CHAMPION. THAT WAS INCREDIBLE. THANKS SO MUCH, RAYAN.

Lucas says YEAH, GOOD WORK. I RESPECT YOU. I HOPE YOU KEEP SMILING ALL DAY LONG!

Laura says ME TOO.

Rayan says THANK YOU.

Laura says THANKS, RAYAN. WE'LL TALK TO YOU LATER, AND BYE, LUCAS, I'LL TALK TO YOU LATER.

Lucas says YEAH, I'M GOING TO GO TOO. STILL HERE.

Laura says BYE!

Rayan and Lucas disappear.

Laura says TVOkids, I AM ALREADY SMILING SO MUCH, WHICH IS PERFECT FOR WORLD SMILE DAY, BUT I JUST REMEMBERED SOMETHING, I SHOULD PROBABLY CHECK MY EMAIL, BECAUSE I HAVEN'T CHECKED IT IN A WHILE, AND I KNOW YOU TVOkids ARE ALWAYS EMAILING, SO... OH, I GOT ONE, WHICH MEANS IT'S TIME FOR...

In animation, a megaphone pops up on screen as a voice yells "WE NEED TO KNOW"!

Laura says OKAY, IT'S TIME FOR "WE NEED TO KNOW." CHECK IT OUT. THIS e-mail IS FROM NAYA, AGE 8, AND NAYA NEEDS TO KNOW WHY DO WE HAVE TO FLOSS OUR TEETH? WHICH IS A REALLY GREAT QUESTION, ACTUALLY, AND I DON'T KNOW THE ANSWER TO IT, BUT I DO KNOW SOMEONE WHO DOES. CHECK IT OUT, I AM HERE WITH TAMMY FROM SIMPLY FLOSS. HEY, TAMMY.

Tammy appears in the sky. She has long brown hair and wears glasses.

She says HEY. HAPPY WORLD SMILE DAY!

A caption reads "Tammy. Dental Hygienist, Simply Floss."

Laura says HAPPY WORLD SMILE DAY! NOW, TAMMY, YOU ARE A DENTAL HYGIENIST, WHICH I THINK IS SO COOL. NAYA HAD THE QUESTION WHY DO WE NEED TO FLOSS. CAN YOU TELL US WHY?

Tammy says GREAT QUESTION, NAYA. SO LET ME TELL YOU THAT AFTER EATING FOOD BUGS, OR ALSO KNOWN AS PLAQUE, WHAT HAPPENS IS IT GETS STUCK AND LEFT ON THE TONGUE, ALL AROUND YOUR TEETH, AND ESPECIALLY IN-BETWEEN YOUR TEETH WHERE YOUR TOOTHBRUSH CAN'T GET TO.

Laura says HMM. INTERESTING. SO WHEN WE'RE BRUSHING OUR TEETH, WE'RE ACTUALLY NOT BRUSHING ALL OF OUR TEETH FULLY?

As Tammy speaks, she demonstrates using a model of a human mouth.

Tammy says YES, THAT'S RIGHT. WHEN YOU'RE BRUSHING, SO HERE YOU WOULD NORMALLY... JUST YOU'RE BRUSHING ALL AROUND THE TOOTH SURFACES, EVEN ON THE CHEWING SURFACES, AND UNDERNEATH AND THE ROOF OF YOUR MOUTH AND YOUR TONGUE, BUT YOU'RE MISSING ABOUT 35 percent OF YOUR TOOTH SURFACE, AND YOU'RE NOT GETTING IN-BETWEEN THE TEETH BY BRUSHING. SO WHAT YOU NEED TO DO IS YOU WANT TO TAKE YOUR FLOSS, WHICH ACTS AS A TOOTHBRUSH, IN-BETWEEN YOUR TEETH.

Laura says OH! OKAY. SO IT GETS TO THE SPOTS THAT A TOOTHBRUSH DOESN'T GET TO! VERY HELPFUL. OKAY, TAMMY, DO YOU HAVE ANY TIPS FOR THE TVOkids THAT MIGHT HELP THEM WITH FLOSSING?

Tammy says YOU KNOW WHAT, I KNOW FLOSSING IS A BIT OF A CHALLENGE, BUT I WOULD LIKE TO USE ONE OF MY FAVOURITE SONGS AND PUT MY OWN WORDS TO IT, AND MY FAVOURITE SONG IS ROW, ROW, ROW YOUR BOAT. SO WHAT I ALWAYS DO, AND I'VE GOT SOME WORDS FOR IT, SO WHAT WE SAY, WHEN I SING, IS I SAY FLOSS, FLOSS, FLOSS YOUR TEETH, EVERY SINGLE DAY. SLOWLY, SLOWLY, SLOWLY PLAQUE WILL GO AWAY.

Laura says I LOVE IT! IT'S SO CATCHY! TAMMY, THANK YOU SO MUCH FOR THAT TIP. I KNOW I'M GOING TO USE IT EVERY NIGHT WHEN I GO TO FLOSS MY TEETH. THANK YOU SO MUCH, TAMMY! WE'LL SEE YOU NEXT TIME.

Tammy says BYE!

Laura says BYE!

Tammy disappears.

a THAT WAS TAMMY FROM SIMPLY FLOSS WITH SOME AMAZING TIPS ON HOW YOU CAN FLOSS YOUR TEETH, BUT IN THE MEANTIME, LET'S KEEP SMILING WITH SOME MORE JOKES.

Music plays as a slate reads "KNOW ANY JOKES?"

A girl says WHAT DO YOU CALL A COW WITH NO LEGS? GROUND BEEF.

A girl says WHY DID THE CHICKEN CROSS THE ROAD? THE ANSWER IS BECAUSE HE WANTED TO CROSS THE ROAD. YEAH, THAT'S IT.

A boy says WHY DID THE BOY THROW BUTTER OUT THE WINDOW? TO SEE BUTTER FLY.

A boy says WHAT DOES A LEMON NEED WHEN IT'S HURT? LEMONADE.

A girl says KNOCK, KNOCK.

Laura says WHO'S THERE.

The girl says ATCH.

Laura says ATCH WHO?

The girl says BLESS YOU.

Another girl says KNOCK KNOCK.

Laura says WHO'S THERE.

The girt says INTERRUPTING COW.

Laura says INTERRUPTING...

The girl interrupts and says MOO.

She laughs.

A boy says KNOCK KNOCK.

Laura says WHO'S THERE.

The boy says BOO.

Laura says BOO WHO?

The boy says GEEZ, YOU HAVE TO CRY ABOUT IT?

A girl says KNOCK KNOCK.

Laura says WHO'S THERE.

The girl says BANANA.

Laura says BANANA WHO?

The girl says BANANA.

Laura says BANANA WHO.

The girl says ORANGE.

Laura says ORANGE WHO?

The girl says ORANGE YOU GLAD I DIDN'T SAY BANANA?

Now music plays as a slate showing the Toronto skyline reads "THIS IS NOT A TALK SHOW."

Inside the tree fort, Laura sits at a table and says AND WELCOME TO THE... THIS IS NOT A TALK SHOW, AND I AM SO, SO EXCITED FOR TODAY'S GUEST ON WORLD SMILE DAY. I AM SUCH A BIG fan OF HER WORK. I'M TELLING YOU, I HAVE BEEN... WELL, SHE HAS BEEN MY IDOL SINCE I WAS A LITTLE KID AND SHE CAME AND GOT MY FIRST TOOTH. YOU KNOW HER, GIVE IT UP FOR THE TOOTH FAIRY.

[Applause]

Lucas pops up on screen wearing a large tooth hat and glasses.

Laura says SORRY, THIS IS AWKWARD, BUT I THOUGHT I WAS GOING TO BE INTERVIEWING THE TOOTH FAIRY. WHO ARE YOU?

A caption reads "Tooth man."

He says OH, IT WOULD BE ME, ME, THE TOOTH MAN.

Laura says SORRY, WHO?

Tooth man says YOU KNOW, THE TOOTH MAN? YOU HEARD OF ME?

Laura says AHEM, NO, I DON'T THINK I HAVE HEARD OF YOU, NO. I THOUGHT I WAS INTERVIEWING THE TOOTH FAIRY TODAY.

Tooth man says OKAY, LET ME JUST REMIND YOU, IT'S ME, THE TOOTH MAN, YOU KNOW? I COLLECT YOUR TOOTH FROM YOUR SHOE AND THEN I PUT A COUPON IN YOUR SHOE AND THEN YOU GET THE COUPON AND I GET THE TOOTH. YOU KNOW, TOOTH MAN.

Laura says SORRY, UMM, I'VE NEVER HEARD OF YOU BEFORE.

Tooth man says YOU'VE NEVER HEARD OF ME? OKAY, LOOK, THE TOOTH MAN... YOU KNOW, I'M FAMOUS. I'M FAMOUS. EVERYBODY KNOWS THE TOOTH MAN.

Laura says SURE. SURE. YOU KNOW WHAT, YOU KNOW WHAT? WHY DON'T WE JUST GO AHEAD WITH THE INTERVIEW?

Tooth man says YEAH, THAT WOULD BE GREAT.

Laura says OKAY, SO SORRY, DIDN'T MEAN TO OFFEND YOU THERE.

Tooth man says YEAH, NO, IT'S ALL GOOD.

Laura says SO THE FIRST QUESTION I GUESS I HAVE FOR YOU IS ARE YOU NEW TO THE TOOTH COLLECTING BUSINESS?

Tooth man says NO, I AM NOT NEW. AM I NEW TO THE TOOTH COLLECTING BUSINESS? I AM NOT NEW. MY FAMILY HAS BEEN IN THE BUSINESS FOR OVER 2,000 YEARS, OKAY?

Laura says OKAY.

Tooth man says YEAH, RIGHT ALONGSIDE OF THE TOOTH FAIRY. I KNOW SHE'S FAMOUS. I KNOW WE ALL LOVE THE TOOTH FAIRY, OKAY? BUT I AM THE TOOTH MAN AND I HAVE BEEN HERE TOO PUTTING IN THE HARD WORK, CREATING TOOTH ACHIEVEMENTS FOR ME AND MY FAMILY. THIS IS WHERE WE LIVE.

Laura says OKAY!

Tooth man says IT'S TRUE.

Laura says I'M NOT... SORRY. I'LL GO TO THE NEXT QUESTION. MR. TOOTH GUY...

Tooth man says IT'S THE TOOTH MAN, OKAY? IT'S THE TOOTH MAN! HOW HARD IS IT. YOU KNOW THE TOOTH FAIRY. WHY DON'T YOU KNOW THE TOOTH MAN? WHAT DO I GOT TO DO?

Laura says I'M SORRY.

Tooth man says TO GET SOME ATTENTION?

Frustrated and annoyed, he storms out.

Laura says HERE'S SOME MORE JOKES.

An animated slate reads "RANDOM KID JOKES."

Laura says YOU SEND 'EM, WE SAY 'EM.

Eight colourful doors appear.

A green door opens.

Lucas steps out wearing a Sherlock Holmes costume and says I COULDN'T SLEEP LAST NIGHT BECAUSE OF THE NOISE.

Another green door opens and Laura steps out in a golden dress.

She says WHAT WAS KEEPING YOU AWAKE?

Lucas says THERE WERE TWO PORCUPINES KISSING OUTSIDE MY WINDOW.

Lucas steps out of another door in a chicken costume and says WHAT SOUND DO PORCUPINES MAKE WHEN THEY KISS?

Sherlock Lucas says OUCH, OUCH, OUCH.

[Laughter]

Now a yellow door opens and a mage steps out.

He says THERE ARE THREE TYPE OF PEOPLE.

A giant penguin steps out of a yellow door and says WHOA, WHOA, WHOA, NO, NO, NO, TRY AGAIN, TRY AGAIN, TRY AGAIN. GO BACK.

[Laughter]

The mage says THERE ARE THREE TYPES OF PEOPLE IN THIS WORLD, THOSE THAT CAN COUNT AND THOSE THAT CANNOT COUNT.

Lucas steps out of an orange door dressed like a polar bear and says OH, I HAVE TO GO TO THE DENTIST, BUT I DON'T KNOW WHAT TIME OF DAY WOULD BE BEST.

Dressed as a corn cob, Lucas steps out of another door and says YEAH, WELL, IT'S ALWAYS BEST TO GO AT TOOTH-THIRTY.

[Laughter]

The clip ends.

Back in the tree fort, Lucas appears in the sky.

Laura says AND HE SAID THAT HIS NAME WAS THE TOOTH MAN.

Lucas says I'M SORRY, I'VE NEVER HEARD OF THE TOOTH MAN.

Laura says I KNOW. I'D NEVER HEARD OF HIM EITHER, BUT APPARENTLY HE'S BEEN DOING IT FOR A LONG TIME.

Lucas says WELL, IF THAT'S TRUE, THEN WHERE ARE MY COUPONS?

Laura says I DON'T KNOW.

Lucas says I DON'T HAVE ANY.

Laura says ANYWAYS, WE MIGHT SEE MORE OF HIM. I'M NOT SURE, BUT I DO HAVE A FUN GAME FOR WORLD SMILE DAY THAT I WANTED TO PLAY WITH YOU.

Lucas says YOU KNOW I LOVE A GAME.

Laura says I LOVE A GAME TOO! THIS IS A GUESS THAT SMILE GAME. SO I'M GOING TO SHOW YOU...

Lucas says NEVER HEARD OF IT.

Laura says A VERY CLOSE-UP SMILE. THIS IS NEW.

Lucas says WE'VE NEVER PLAYED THIS.

Laura says SO HERE IS THE FIRST SMILE.

A close-up picture shows a horse's mouth.

Lucas says I HAVE TO GUESS THE FIRST SMILE. STOP THAT RIGHT NOW.

Laura says WHOSE SMILE IS IT?

Lucas says I GUARANTEE IT'S A LLAMA. I GUARANTEE IT.

Laura says LET'S REVEAL. IT'S A HORSE! OR MAYBE A DONKEY.

Lucas says I SHOULDN'T HAVE JUMPED TO LLAMA SO QUICKLY.

Laura says DEFINITELY NOT A LLAMA.

Lucas says OKAY, FINE.

Laura says NEXT SMILE.

Lucas says WHAT?

Laura says HMM, WHO'S THIS? YOU RECOGNIZE THIS.

Lucas says OH, STOP IT.

Laura says YOU KNOW THIS.

A picture shows a large black furry nose and a short smile.

Lucas says I COULDN'T. I DON'T KNOW, IS IT A BEAR?

Laura says A BEAR?

[Buzzer]

A picture shows the face of a sloth.

Lucas says I'M SORRY, THIS IS CLASSIC LAURA. THIS IS SO YOU.

Laura says NO.

Lucas says OKAY.

Laura says SMILE NUMBER THREE.

A picture shows a gaping mouth with green smooth skin.

Lucas says OKAY, WHAT IS THIS. OKAY, FOR SURE... I SHOULDN'T SAY FOR SURE. IT'S A FROG I THINK. ARE YOU TRYING TO TRICK ME?

Laura says OH. LET'S REVEAL. YOU'RE RIGHT!

A picture shows a green tree frog with red eyes and yellow feet.

Lucas says OH, I'M RIGHT.

Laura says YEAH, YOU GOT... [Ding] DID YOU NOT THINK IT WAS A FROG WHEN YOU WERE GUESSING FROG?

Lucas says YOU WERE TRYING TO TRICK ME.

Laura says LAST ONE. SMILE NUMBER FOUR.

A picture shows a mouth with sharp teeth.

Lucas says IS IT A WHALE?

Laura says LET'S REVEAL. HMM HMM HMM.

A picture shows a great white shark.

Lucas says IT'S A SHARK.

Laura says BUT I'M ACTUALLY KIND OF IMPRESSED THAT YOU CAME THAT CLOSE FOR SURE.

Lucas says IS THAT THE LAST ONE?

Laura says THAT'S THE LAST ONE. YOU DID IT.

Lucas says THAT WAS REALLY FUN.

Laura says IT WAS REALLY FUN. WORLD SMILE DAY, TVOkids. I HOPE YOU KEEP SMILING ALL WEEKEND LONG, BUT UNTIL THEN...

She picks up a ukulele and plays it as they both sing
SO LONG SEE YA LATER I BET TOMORROW WILL EVEN BE GREATER BUT NOW IT'S TIME TO SAY GOOD-BYE TO YOU...

Lucas says BUT GUESS WHAT, IT'S THE WEEKEND, AND THAT'S GREAT.

Together, they sing
SO LONG SAYONARA CLUE...

Lucas says GO TO tvokids.com IS THE PASSWORD FOR TOMORROW.

They sing
BUT NOW IT'S TIME TO SAY GOOD-BYE TO YOU

Lucas says I'M LUCAS. MAKE SOME MAGIC. KEEP SMILING.

Laura says I'M LAURA. BE TRUE TO YOU.

Music plays as a slate shows the credits.