New episodes come out every Monday for free, with 1-week early access for Wondery+ Kids subscribers.
The #1 podcast for kids and their grown-ups. Hosts Mindy Thomas and Guy Raz share stories about the latest news in science, technology, and innovation. Stories that give kids hope, agency and make us all say "WOW"!

Grab some popcorn! It's time to watch the hottest new reality show about cold blooded creatures—Lizard Island! Join Mindy, Guy Raz, Dennis, and the WOW Crew for a watch party, and meet two monogamous lizards who have been together for over 27 years! It's truly a tail as old as time. It's the Who, What, When, Where, Why, How, and WOW of lizard love! Originally aired 1/16/23.
Grownups, we're proud to bring free, high-quality educational podcasts to families and classrooms everywhere. But as the media industry changes, it's becoming increasingly difficult to financially sustain high-quality human-made audio shows like ours without additional help. If our shows have sparked wonder, laughter, or curiosity for your family, we're asking for your support now.
Grownups, visit tinkercast.com/support where you can select from a handful of gifts we've curated to thank you for your support.
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! Originally aired 6/9/24.
Grownups, we're proud to bring free, high-quality educational podcasts to families and classrooms everywhere. But as the media industry changes, it's becoming increasingly difficult to financially sustain high-quality human-made audio shows like ours without additional help. If our shows have sparked wonder, laughter, or curiosity for your family, we're asking for your support now.
Grownups, visit tinkercast.com/support where you can select from a handful of gifts we've curated to thank you for your support.
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 Tinkercast Podcast "Once Upon a Beat!" plus an encore episode, “Un-BEE-lievable Bees!" Originally aired 6/8/24.
Grownups, we're proud to bring free, high-quality educational podcasts to families and classrooms everywhere. But as the media industry changes, it's becoming increasingly difficult to financially sustain high-quality human-made audio shows like ours without additional help. If our shows have sparked wonder, laughter, or curiosity for your family, we're asking for your support now.
Grownups, visit tinkercast.com/support where you can select from a handful of gifts we've curated to thank you for your support.
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 very small… Microscopic even! Join Mindy & Guy Raz as they get into the germ-tastic world of bacteria! Originally aired 12/6/24.
Grownups, we're proud to bring free, high-quality educational podcasts to families and classrooms everywhere. But as the media industry changes, it's becoming increasingly difficult to financially sustain high-quality human-made audio shows like ours without additional help. If our shows have sparked wonder, laughter, or curiosity for your family, we're asking for your support now.
Grownups, visit tinkercast.com/support where you can select from a handful of gifts we've curated to thank you for your support.
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

When you think of Mummies you might think of the ancient Egyptians and their sarcophagi, but these 300 year old mummified bees have just as much a right to be remembered alongside Tutankhamun as anyone else! It's the who, when, why, how and WOW of Mum-bees! Originally aired 1/15/24.
Grownups, we're proud to bring free, high-quality educational podcasts to families and classrooms everywhere. But as the media industry changes, it's becoming increasingly difficult to financially sustain high-quality human-made audio shows like ours without additional help. If our shows have sparked wonder, laughter, or curiosity for your family, we're asking for your support now.
Grownups, visit tinkercast.com/support where you can select from a handful of gifts we've curated to thank you for your support.
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 WeWow on the Weekend... in SPACE! Dennis, Reggie, and Baby Dennis make their own spacesuits, plus an encore of "Spaced-Out Pen Pal, 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! Originally aired 9/8/24.
Grownups, we're proud to bring free, high-quality educational podcasts to families and classrooms everywhere. But as the media industry changes, it's becoming increasingly difficult to financially sustain high-quality human-made audio shows like ours without additional help. If our shows have sparked wonder, laughter, or curiosity for your family, we're asking for your support now.
Grownups, visit tinkercast.com/support where you can select from a handful of gifts we've curated to thank you for your support.
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 jazz up today's Snoop Scoop and read some Reviewsies, plus an encore of "Spaced-Out Pen Pal, 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! Originally aired 9/7/24.
Grownups, we're proud to bring free, high-quality educational podcasts to families and classrooms everywhere. But as the media industry changes, it's becoming increasingly difficult to financially sustain high-quality human-made audio shows like ours without additional help. If our shows have sparked wonder, laughter, or curiosity for your family, we're asking for your support now.
Grownups, visit tinkercast.com/support where you can select from a handful of gifts we've curated to thank you for your support.
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Get ready for some super marsupials. It's a high “koala-ty” episode of Two Whats?! And a Wow where Guy & Mindy bring you fun facts and random nonsense inspired by everyone's favorite Australian tree-hugger - the koala! Visit https://bit.ly/3zfwJMc for more. Originally aired 11/22/24.
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Grandma G-Force and Mindy are back from their spelunking trip to Italy, and they've brought back a souvenir! A extremely rare type of salamander known as an olm! It's the who, when, where, why, how and WOW of subterranean aquatic salamanders! Check Wow in the World activities at https://bit.ly/3V5YCgw. Originally aired 5/13/24.
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! Originally aired 8/4/24.
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! Originally aired 8/3/24.
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 4/29/22.
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! Originally aired 8/26/24.
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! Originally aired 7/28/24.
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! Originally aired 7/27/24.
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 out of this world round of Two Whats?! And a Wow! We're challenging you to find the facts from the fiction about LIGHT! Visit https://bit.ly/3owDW5a for more. Originally aired 5/3/23.
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Do we really need an hour of exercise a day?! Join Mindy, Guy Raz, and the Wow Crew on a trip to Lil Buff Bunny's Big Gym, where a little bunny is taking exercise to the extreme. Learn more about a recent study about how small bursts of exercise throughout the day may have great benefits for your health! It's the who, what, when, where, how and WOW of exercise! Originally aired 3/13/23.
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Dennis shows off his Bricko Blocks creations, and Dennis and Reggie read reviewsies! Plus, an encore of "Are You Smarter Than A Toilet?"
Want a chance to be featured on an upcoming episode of WeWow? Dennis wants to hear from YOU! Leave Dennis a message at 1-888-7WOW-WOW, or send him a comment or review on our podcast feed!! Want more WeWow?! Visit https://bit.ly/4g2QjLp for even more WOWs online.
Grownups, help support our podcast and our mission to create content and experiences that connect laughter to learning, curiosity to innovation and kids to the WOWs in their world! Join the World Organization of Wowzers today and receive quarterly mailings and birthday cards, access to 1000+ digital activities, first dibs at live show tickets, plus a welcome kit with t-shirt and an autograph from Mindy & Guy Raz! Visit https://bit.ly/40xiRrH to sign your Wowzer up for a membership to the World Organization of Wowzers today!
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Dennis fends off a cold... but the show must go on! Plus, an encore of "Dinosaurs Take Flight!"
Want a chance to be featured on an upcoming episode of WeWow? Dennis wants to hear from YOU! Leave Dennis a message at 1-888-7WOW-WOW, or send him a comment or review on our podcast feed!! Want more WeWow?! Visit https://bit.ly/4g2QjLp for even more WOWs online.
Grownups, help support our podcast and our mission to create content and experiences that connect laughter to learning, curiosity to innovation and kids to the WOWs in their world! Join the World Organization of Wowzers today and receive quarterly mailings and birthday cards, access to 1000+ digital activities, first dibs at live show tickets, plus a welcome kit with t-shirt and an autograph from Mindy & Guy Raz! Visit https://bit.ly/40xiRrH to sign your Wowzer up for a membership to the World Organization of Wowzers today!
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: The Great Indoors! In the last episode of this five part documentary series, we will journey into the winter dwelling of one of our planet's nosiest neighbors, in hopes of learning more about him and perhaps... ourselves. Today, Dennis leaves the security of his cozy den. What dangers will he face? Plus, an encore of "Playing Dead!" 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! Originally aired 12/20/24.
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: The Great Indoors! In this five-part documentary series, we will journey into the winter dwelling of one of our planet's nosiest neighbors, in hopes of learning more about him and perhaps... ourselves. Today, the Dennis prepares himself a nourishing meal... sort of. Plus, an encore of "Cookie Court: False Memories on Trial!" 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! Originally aired 12/19/24.
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: The Great Indoors! In this five-part documentary series, we will journey into the winter dwelling of one of our planet's nosiest neighbors, in hopes of learning more about him and perhaps... ourselves. Today, a visitor joins Dennis to help pass the cold winter hours. Plus, an encore of "Laughter in a Can: How Our Brains Interpret Funny Business!" 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! Originally aired 12/18/24.
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: The Great Indoors! In this five-part documentary series, we will journey into the winter dwelling of one of our planet's nosiest neighbors, in hopes of learning more about him and perhaps... ourselves. Today, we observe Dennis exhibiting an odd behavior - sprucing up his winter den. Plus, an encore of "Good Habitat Keeping!" 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! Originally aired 12/17/24.
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: The Great Indoors! In this five-part documentary series, we will journey into the winter dwelling of one of our planet's nosiest neighbors, in hopes of learning more about him and perhaps... ourselves. Today, we find the subject, Dennis, gathering extra layers to trap in fleeting winter warmth. Plus, and encore of "Constructing Creativity: How Science And Art Aren't So Far Apart!" 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! Originally aired 12/16/24.
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! Originally aired 6/30/24.
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! Originally aired 6/29/24.
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

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. Originally aired 8/30/24.
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

When the TV news won't reveal new findings about the true identity of the Yeti quickly enough, Mindy and Guy are left with no choice but to head back to 1950 and solve the mystery of the abominable snowman for themselves! Only this time, they're not the only ones trying to solve one of history's greatest mysteries ... Find out who Mindy and Guy run into on this very special episode all about the Who, When, WOW of Yetis! For even more mysteries, listen to Who, When, Wow: Mystery Edition wherever you get your podcasts. Originally aired 9/16/24.
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! Originally aired 6/16/24.
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! Originally aired 6/15/24.
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/3owDW5a for more. Originally aired 8/18/23.
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Can Grandma G-Force swap her attitude for... gratitude? Mindy, Guy Raz, and the WOW Crew try to get her to change her tune—with help from the Coalition of Grandmas for Gratitude—because being grateful could lead to living a longer life! It's the who, when, where, why, how and WOW of gratitude! Originally aired 11/25/24.
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. Originally aired 5/26/24.
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. Originally aired 5/25/24.
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

The next episode of Two Whats and a Wow is a long one! No.. it won't take any more time to listen to than the usual episode, it's just a show about really long stuff! Mindy & Guy will help you separate the what's and wows from the long and short of it. Want more WHATs and WOWs? Visit https://bit.ly/40hR1P0. Did you know you can watch full episodes of Two Whats?! And A Wow! on YouTube and YouTube Kids?! Visit https://bit.ly/3WlHLbk to start watching and WOWing with us!
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Mindy is hosting a positively WOW-tacular dino-themed dinner party ... and you're invited. But there's one problem ... someone ate the main course! Join Mindy, Guy and the rest of the gang as they try to solve the mystery of who gobbled up the dino descendant. It's the who, when, where, why, how and WOW of paleontology! Originally aired 12/2/24.
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 and Baby Dennis read reviewsies plus an encore episode of, “The Curious Case of the Everlasting Storm!” 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. Originally aired 4/21/24.
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 an award-winning crafternoon plus an encore episode, “Exploding Ants!” 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. Originally aired 4/20/24.
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Time to get your “waddle” on! Our next episode of Two Whats?! And a Wow is all about everyone's favorite flightless feathered friend… The penguin! Guy & Mindy will sort out the emperors from the chinstraps and give you real facts about these fantastic birds. Visit https://bit.ly/3zfwJMc for more details. Originally aired 9/6/24.
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

In this special musical 250th episode of Wow in the World, Mindy leads Guy Raz and the gang in an exploration of the bonkerballs science of why music moves us - literally! Inspired by new neuroscience brain research from McGill University, this special episode features three brand-new original songs, as the gang discovers how our brains and bodies don't just hear music- they sync up and become part of the beat! from dancing neurons to emotional melodies, it's the Who, What, When, Where, How, and WOW in the world of how music makes us sing, dance, and feel all the feels.
Wow in the World is the #1 science podcast for kids and families, sharing the most amazing stories in science, technology, and new discoveries happening in the world around us. Each week, join hosts Mindy Thomas and Guy Raz as they take curious kids and their grown-ups on a cartoon for the ear journey filled with laughter, adventure, and wow-worthy stories. From the tiniest microbes to the farthest reaches of space, every episode of Wow in the World inspires wonder, fuels imagination, and makes science fun for the whole family.
New episodes of Wow in the World come out every Monday for free! Plus, each week listeners get even more opportunities to say WOW with two other shows: Two Whats?! And A WOW!, a science-based game show, and WeWow, a rewatch, or should we say relisten, behind-the-scenes talk show hosted by our World Organization of Wowzers president, Dennis, featuring YOUR comments, reviews, and messages!
🎉 Want to keep the Wow going? Grownups can join the World Organization of Wowzers (W.O.W.) at https://bit.ly/46CDndK to receive quarterly mailings, birthday cards, a welcome kit with a t-shirt, autographed photo of Mindy & Guy Raz, access to 1,000+ digital activities and exclusive access to members-only events! Plus, grownups help support our podcast and our mission to create content and experiences that connect laughter to learning, curiosity to innovation and kids to the WOWs in their world!
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.