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Step into an infinite world of stories

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Tinkercast | Wondery

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!

Learn more at https://bit.ly/3IsPeBR. 

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

Wow in the World

Dennis and Reggie look at trading cards and read some reviewsies! Plus an encore episode of, “Comets, Ice Age, and Human Civilization!” 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 10/22/23.

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

WeWow on the Weekend (11/9/25)

Reggie pranks Dennis and they answer questions from their devoted listeners. Plus an encore episode, “Dinosaurs’ Puzzling Backbones!” 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 10/21/23.

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

WeWow on the Weekend (11/8/25)

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 SPACE! Visit https://bit.ly/3owDW5a for more. Originally aired 3/8/24.

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

Two Whats?! And A Wow! - Give Me Some Space! (11/7/25)

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. Originally aired 6/10/24.

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

Robo Dino Chicken! (11/3/25)

Dennis and Reggie read some reviewsies! Plus an encore episode of, “Invasion of the Sea Pickles!” 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 10/15/23.

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

WeWow on the Weekend (11/2/25)

Dennis and Reggie choose nicknames and host a cooking segment. Plus an encore episode, “Astronauts, Clean Up Your Space!” 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 10/14/23.

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

WeWow on the Weekend (11/1/25)

It's the final day of WeWow Creepy Crawly Week! Dennis sure has come a long way from being totally grossed-out by Mindy's pet cockroach! Join Dennis, Reggie, and Smokey for one final creepy crawly encore, "So You've Been Swallowed By A Frog!" Grownups, for more Halloween ideas and activities for your Wowzers, visit https://bit.ly/408pVeL!

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

WeWow Creepy Crawly Week - Day 5: Roach Revue (10/31/25)

It's Day 4 of WeWow Creepy Crawly Week! Who doesn't love comic book superheroes? Dennis and Reggie tell their creepy crawly new cockroach friend a supernatural spider story, plus an encore of "Slingshot Spider!" Grownups, for more Halloween ideas and activities for your Wowzers, visit https://bit.ly/408pVeL!

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

WeWow Creepy Crawly Week - Day 4: The Return of Spider-Spider (10/30/25)

It's Day 3 of WeWow Creepy Crawly Week! Even a cockroach has to eat sometimes, and chefs Dennis and Reggie are eager to please. On today's episode, a creepy crawly cooking segment, plus an encore of "The Rise of the Glassy-Winged Sharpshooter!" Grownups, for more Halloween ideas and activities for your Wowzers, visit https://bit.ly/408pVeL!

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

WeWow Creepy Crawly Week - Day 3: Dennis’s Pest-aurant (10/29/25)

It's Day 2 of WeWow Creepy Crawly Week! Dennis and Reggie are determined to take good care of Mindy's pet cockroach, and today he needs some exercise! Plus, and encore of "Invasion of the Zombie Ants!" Grownups, for more Halloween ideas and activities for your Wowzers, visit https://bit.ly/408pVeL!

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

WeWow Creepy Crawly Week - Day 2: Bugs of Steel (10/28/25)

Episode on this of A Wow and Two Whats, doing things backwards we are! Yep - It’s our backwards episode! Guy Raz and Mindy will get everything headed in the right direction and sort all “Wrong-way Whats” from the “forward-facing Wows." 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.

Two Whats?! And A Wow! - Wardsback? (10/24/25)

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