Our next episode of Two Whats?! And a Wow is on track - literally. We are all about TRAINS this week! Mindy & Guy will keep us from going off the rails by sorting out the train truth from any railway wackiness. Visit https://bit.ly/3zfwJMc for more details.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Guy Raz and Dennis hear strange and terrible noises coming from Mindy’s gingerbread mansion. Concerned, they investigate and discover that Mindy is having a chaotic baseball stadium organ lesson with the eccentric Professor Cadenza. The gang, including Gramma G-Force and Thomas Fingerling, attempts to help Mindy improve her playing. Guy Raz explains the importance of practice, using a scientific study about how repeated practice helps mice remember scents to show that practice can also help Mindy master the organ. Does practice really make permanent? It’s the Who, What, When, Where, How, and Wow in the World of repetition and the brain!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Why is Dennis eating cheese before bed? And what does that have to do with sleep?! We've got the questions AND answers in this amaZZZZing round of Two Whats?! And a Wow! We're challenging you to find the facts from the fiction about SLEEP?! Visit https://bit.ly/3zfwJMc for more.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

It’s Cyber Funday on Wow in the World, and Mindy is taking full advantage of all the good deals! Sales on everything she’s ever wanted and everything she never even knew she wanted! But is her online shopping spree a good deal for the planet? Guy Raz takes Mindy on a little time traveling fossil-fueled trip to the past to see how we can best protect the Earth for the future! It’s the Who, What, When, Where, Why, How and Wow in the World of Fossil Fuels and the future health of planet Earth! Originally aired 4/22/19.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Why is Mindy rollerblading around her Gingerbread Mansion wearing a trash bag? And what does this have to do with the science behind SWEAT? We’ve got questions AND answers on today’s slippery round of Two Whats!? & A Wow! We’re challenging you to find facts from fiction about sweat! Originally aired 4/8/20.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Mindy and Guy Raz are facing the music and forming band! All they need is just a little more... seashell? Join Mindy, Guy Raz, and the rest of WOW crew on an adventure back to Stone Age to track down an 18,000 year old instrument! It's the who, what, when, where, why, how, and wow of SEASHELLS! Originally aired 5/10/21.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Dennis and Reggie celebrate Dennis Month by deciding to throw a party! A livestream listening party! Plus an encore of "Why Horses Can't Wear Flip Flops!" W.O.W. Members, want to join the listening party? Visit tinkercast.com/events to join the members-only listening party on August 17th at 7pm eastern! Not a W.O.W. Member? Grown-ups, you can sign your Wowzer up to become a W.O.W. member before August 17th at https://bit.ly/3YowvNe!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Dennis and Reggie have no time for chit-chat today. They need to deliver a special World Organization of Wowzers announcement and then listen to an encore of "An Aurora Named Steve!" If your Wowzer wants a special limited-edition Dennis membership kit, Grownups, sign up at https://bit.ly/3YowvNe before August 31st, 2024!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

On the next episode of Two Whats?! And a Wow, Mindy & Guy celebrate one of the weirdest critters on planet Earth: The platypus! From the duck-bill to the flat tail, we’re gonna give you the lowdown on this amazing monotreme, Visit https://bit.ly/3zfwJMc for more details.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Woof woof! Who's a smart dog? Beardsley is! Mindy, Guy and the gang head to Canine University for the graduation of a very special class of dogs. It's the who, when, why, how and WOW of specialized sniffing!Hey Grownups! Tickets for the Make It Wow! LIVE in San Francisco and New York are NOW available for PRESALE for W.O.W. Members ONLY at https://bit.ly/3Wfb66A. Not a member, yet? Click the link to sign up today and get first dibs at tickets before general sale begins on August 12th!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Welcome back to... Fish Wow... on the Week Fish!? Dennis and Reggie dish up some fish cakes, plus an encore of "SomeFIN Smells Fishy in Here, Part 2" If you have a question for Dennis, leave him a voicemail at 1-888-7WOW-WOW. Your question might just end up on WeWow on the Weekend!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Dennis and Reggie tell knock-knock jokes and write some new songs, host a Q&A segment, and listen to an encore of "SomeFIN Smells Fishy in Here, Part 1!" If you have a question for Dennis, leave him a voicemail at 1-888-7WOW-WOW. Your question might just end up on WeWow on the Weekend!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

This week, Two Whats?! And a Wow, brings you a seasonal favorite fruit: We’re all about pumpkins! Mindy & Guy will carve through things to separate the fall facts from the gourd goofiness. Visit https://bit.ly/3zfwJMc for more details.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

The cases are real; the science is real; the people are ... ridiculous! You are about to enter the courtroom of Guy Raz as he hears testimony from one Ms Mindy who claims to have found the first ever recorded evidence of a baby shark in the wild. This is the who, when, why, how and WOW ... of WOW COURT!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Dennis and Reggie debut a new segment, Snoop Scoop! Plus, an installment of Reading Reviewsies and an encore of "Samurai Vs. The Stink: The Science of Invasive Wildlife Species!" If you have a question for Dennis, leave him a voicemail at 1-888-7WOW-WOW. Your question might just end up on WeWow on the Weekend!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Dennis and Reggie chit chat, host a Q&A segment, and listen to an encore of "A Dog's Nose Always Knows!" If you have a question for Dennis, leave him a voicemail at 1-888-7WOW-WOW. Your question might just end up on WeWow on the Weekend!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Take a deep breath and jump in! Our next episode of Two Whats?! And a Wow is all about getting air in and out of our bodies… Breathing! Guy & Mindy will air out all the facts and the fiction about oxygen and respiration. Visit https://bit.ly/3zfwJMc for more details.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Mindy, Guy Raz, and the gang attend an acting class at the local community theatre with Madame Pompous. Guy Raz is nervous, but Mindy convinces him to give it a try. Things take a turn for the weird when Madame Pompous announces that they’ll be learning how to “play dead” inspired by the Dice Snake, a reptile that dramatically fakes its own death to avoid predators. Can Mindy, Guy, and the gang pull off a performance of one of the strangest and most fascinating behaviors in the animal kingdom? It’s the Who, What, When, How, and Wow in the World of playing dead!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

We've got the questions AND answers in this berry nice round of Two Whats?! And a Wow! We're challenging you to find the facts from the fiction about BERRIES! Visit https://bit.ly/3zfwJMc for more. Originally aired 1/12/24.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

What in the world is Brain Freeze? Why in the world does it happen when we’re enjoying a cold, tasty treat? And how in the world do we get rid of it?! Grab an ice-cold refreshing drink, and get ready to explore the who, what, when, where, why how and WOW in the world of BRAIN FREEZE! Originally aired 7/24/17.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Mindy and Guy Raz are trying to be more eco-friendly, so Guy is showing off his compost bin. Mindy also had a BRIGHT idea of how she can conserve energy… but what does this have to do with INSECTS?! We’ve got questions AND answers on this episode of Two Whats?! And A Wow! We’re challenging you to find facts from fiction about INSECTS! Originally aired 4/2/21.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

The carnivals in town! But this is a carnival with a special twist; each ride is based on a special animal ability! There’s Bombardier Beetle Blasters, The Mantis Shrimp Punching Bag and, the scariest ride of them all, the Slingshot Spider Catapult! Based off the Slingshot Spider’s ability to accelerate itself 100 times faster than a cheetah, will Guy and Mindy be able to handle the g-forces!? Originally aired 11/2/20.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Why is Mindy bringing hay for lunch?! And what does it have to do with the zoo?! We've got the questions AND answers for you in this wild round of Two Whats and A Wow! Today, you're going to be separating the WOWs from the WHATs about animals! Originally aired 5/6/22.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

It’s swim time in the neighborhood, and Mindy is getting ready to fill her pool! Will she fill it with a liquid, a solid, or both?! Join Mindy, Guy Raz, and Dennis as they explore a rule defying non-newtonian fluid that’s full of surprises! It’s the Who, What, When, Where, Why, How, and Wow in the world of Oobleck! Originally aired 5/11/20.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Ultra Dennis and Ultra Reggie assemble their super-ultra superhero team, plus an encore of "All-Natural Superheroes Part 2" in this extra-super conclusion to SUPER WeWow on the Weekend! If you have a question for Dennis, leave him a voicemail at 1-888-7WOW-WOW. Your question might just end up on WeWow on the Weekend! For how to make your summer WOW, visit wondery.com/summerofwow.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Dennis and Reggie pick superhero names, host a Q&A segment (that's extra-super), and listen to an encore of "All-Natural Superheroes Part 1" on this extra-super episode of SUPER WeWow on the Weekend! If you have a question for Dennis, leave him a voicemail at 1-888-7WOW-WOW. Your question might just end up on WeWow on the Weekend! For how to make your summer WOW, visit wondery.com/summerofwow.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

On the next episode of Two Whats?! And a Wow, we really build the suspense. Literally! We’re celebrating famous landmarks from around the world. Mindy & Guy will help you separate the facts from the foolishness about some of the most famous man-made structures on Earth! For more ways to WOW your summer, visit wondery.com/summer-of-wow! And don’t forget to tell us all about your summer WOWs, call us at 1-888-7WOW-WOW for a chance to be featured this summer!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

What do you do when your super secret handshake is all askew? Take it to the Handshake Shack of course! Mindy and Guy take Grandma G-Force and Thomas Fingerling to the mall's newest store that uses the latest and greatest in hand tracking technology to fix any and all of your handshaking conundrums! It's the who, when, why, how and WOW of hand-tracking tech! For more ways to WOW your summer, visit wondery.com/summer-of-wow! And don't forget to tell us all about your summer WOWs, call us at 1-888-7WOW-WOW for a chance to be featured this summer!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

It’s Day 5 of WeWow Summer Week! Dennis and Reggie find Mindy in her ice cream truck, plus an encore episode, “Now Watch Me Drip Drip! The Science of Slower Melting Ice Cream” For more ways to WOW your summer, visit wondery.com/summer-of-wow! And don't forget to tell us all about your summer WOWs, call us at 1-888-7WOW-WOW for a chance to be featured this summer!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

It’s Day 4 of WeWow Summer Week! Dennis and Reggie find Thomas Fingerling fishing out in his front yard, plus an encore episode, “Laughter in a Can!” For more ways to WOW your summer, visit wondery.com/summer-of-wow! And don't forget to tell us all about your summer WOWs, call us at 1-888-7WOW-WOW for a chance to be featured this summer!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

It’s Day 3 of WeWow Summer Week! Dennis and Reggie find Gramma G-Force painting her diaper house, plus an encore episode, “A-I-A-I-Oh Wow!” For more ways to WOW your summer, visit wondery.com/summer-of-wow! And don't forget to tell us all about your summer WOWs, call us at 1-888-7WOW-WOW for a chance to be featured this summer!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

It’s Day 2 of WeWow Summer Week! Dennis and Reggie find Guy Raz working in his vegetable garden, plus an encore episode, “Googly Eyed Guy!” For more ways to WOW your summer, visit wondery.com/summer-of-wow! And don't forget to tell us all about your summer WOWs, call us at 1-888-7WOW-WOW for a chance to be featured this summer!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Welcome to WeWow Summer Week! Dennis and Reggie set out to have summer fun forever and ever but forget to plan it. Plus an encore episode, “What's Slower Than Slow?” For more ways to WOW your summer, visit wondery.com/summer-of-wow! And don't forget to tell us all about your summer WOWs, call us at 1-888-7WOW-WOW for a chance to be featured this summer!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Dennis and Reggie exercise and make milkshakes, plus an encore episode of “Smart Bots!” If you have a question for Dennis, leave him a voicemail at 1-888-7WOW-WOW. Your question might just end up on WeWow on the Weekend! For how to make your summer WOW, visit wondery.com/summerofwow.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Dennis and Reggie play Guess What I'm Thinking of and read Reviewsies... plus an encore episode, “Your Crabby Pee is Scaring Me!” If you have a question for Dennis, leave him a voicemail at 1-888-7WOW-WOW. Your question might just end up on WeWow on the Weekend! For how to make your summer WOW, visit wondery.com/summerofwow.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

This episode of Two Whats?! And a Wow! Is one for the Record Books! Literally! Guy & Mindy will help you separate the real records from the fake facts as we meet some real world-record holders! Visit https://bit.ly/3zfwJMc for more.Grownups, does your Wowzer want to attempt a record themselves?! Visit https://kids.guinnessworldrecords.com/records/set-a-record/ for Guinness World Records titles specifically for people under the age of 16!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Oh no! A 10ft tall robotic dinosaur is terrorizing the neighborhood! Well, in reality it's just terrorizing Dennis and Mindy is at the controls. But fear not, it's all in the name of science! It's the who, when, where, how and WOW of Robotic Pranking Dinosaurs! Check out Wow in the World activities at https://bit.ly/3V5YCgw.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Dennis and Reggie dish about dinosaurs and host a Q&A segment, plus an encore episode of “Do Birds of a Feather Flock Together?” If you have a question for Dennis, leave him a voicemail at 1-888-7WOW-WOW. Your question might just end up on WeWow on the Weekend! Grownups, do you have a photo or video from this summer that makes you say "WOW"! Share with Dennis, Reggie, and the rest of the WOW Crew at wondery.com/summerofwow, and find scavenger hunts and missions to help make this summer full of WOW!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Dennis and Reggie listen to a song from the new Tinkercast Podcast "Once Upon a Beat!" plus an encore episode, “Un-BEE-lievable Bees!" Want to keep the dance party rolling?! You can find full episodes of Once Upon A Beat wherever you get your podcasts or at https://wondery.com/links/once-upon-a-beat/. Grownups, do you have a photo or video from this summer that makes you say "WOW"! Share with Dennis, Reggie, and the rest of the WOW Crew at wondery.com/summerofwow!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Why is Mindy's Gingerbread Mansion freezing... and hot... and snowing?! And what does this have to do with seasons!!?? We've got the questions AND the answers in this seasonal round of Two Whats?! And A Wow! We're challenging you to find the facts from the fiction about seasons! Originally aired 10/15/21.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

On the quest to find the best beach in the galaxy, Mindy and Guy Raz need to travel a little far from home. How far from home, you ask?! To Mars of course! Join Mindy and Guy Raz on this intergalactic adventure to Mars as they learn about recent NASA research about the beaches of Mars! It's the who, what, when, where, how and WOW of Mars Beaches! Originally aired 10/11/21.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Why is Mindy doing some spring cleaning?! And what does this have to do with sound waves?! We've got the questions and the answers for you in today's round of Two Whats?! And A Wow! We're challenging you to find the fact in the fiction about SOUND! Originally aired 3/11/22.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Would you care for a little brie marinated in hip hop? How about some cheddar dipped in rock and roll? Swiss serenaded by an up-beat pop classic! Turns out that cheese have preferences when it comes to music, and those preferences determine everything from their taste to their smell! Join Mindy and Guy Raz as they discover the Who, What, When, Where, Why and How and Wow in the World of the musical taste of cheese! Originally aired 4/29/19.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Baby Dennis joins in for a Q&A segment, plus an encore episode of “How To Sleep Your Way To Victory!” If you have a question for Dennis, leave him a voicemail at 1-888-7WOW-WOW. Your question might just end up on WeWow on the Weekend! For more WeWow visit https://bit.ly/3nkbEuo.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Dennis and Reggie debut a special, one-time-only segment... plus an encore episode, “Spit-Take! The Science Of Saliva and Those Bitter Bites!” If you have a question for Dennis, leave him a voicemail at 1-888-7WOW-WOW. Your question might just end up on WeWow on the Weekend! For more WeWow visit https://bit.ly/3nkbEuo.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

On this episode of Two Whats?! And a Wow, we do a deep dive into all things aquatic. Guy & Mindy help you separate the tidal facts from the “current” fiction as we celebrate the Ocean! Visit https://bit.ly/3zfwJMc for more details.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Someone's blocking the road into the neighborhood with a giant gate! That someone ... is Dennis, and he's not letting anyone in without a story. Time for Mindy to bust out the classic tale of the Dutch fish and the doorbell. It's the who, when, when, why, how and WOW of fishy doorbells! Check Wow in the World activities at https://bit.ly/3V5YCgw.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

On the episode of Two Whats?! And a Wow, Guy & Mindy go big – REALLY BIG – to bring you facts and fanciful figments inspired by the some of the largest marine mammals on the planet — WHALES! Visit https://bit.ly/3zfwJMc for more.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.