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Tinkercast | Wondery


The #1 science 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"!

New episodes come out every Monday for free. Listen 1-week early and to all episodes ad-free with Wondery+, Wondery+ Kids on Apple Podcasts, or Amazon Music with a Prime membership or Amazon Music Unlimited subscription.


Wow in the World

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)

Welcome to WeWow Creepy Crawly Week! Dennis gets the fright of his life when Mindy asks him to take care of her pet... COCKROACH?! Join Dennis, Reggie, and their creepy crawly new guest for an encore of "The Karate Kickin' Cockroach!" 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 1: Bugs Are Gross! (10/27/25)

Dennis and Reggie hang out with Baby Dennis and answer questions from their devoted listeners. Plus an encore episode, “If You’re Happy and You Know It!” 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 10/8/23.

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 (10/26/25)

Dennis and Reggie chit-chat and answer questions from their devoted listeners. Plus an encore episode, “Cuckoo for Cocoa!” 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 10/7/23.

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 (10/25/25)

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)

Mindy, Guy and the rest of the WOW crew are on the verge of winning their first baseball game all season, and Mindy has a secret weapon to get them over the edge; a bucket of mud! But is this age-old tradition of muddying up baseballs superstition .... or science? It’s the who, when, where, why, how, and WOW of baseball magic!

For more WOWs online, visit https://bit.ly/3DWotmC. 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.

Baseball's Magic Mud: Superstition or Science? (10/20/25)

Dennis and Reggie interview Post Officer Jellybird! Plus an encore episode of, “Brain Freeze!” 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 10/1/23.

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 (10/19/25)

Dennis and Reggie get a visit from the neighborhood mail carrier and play What’s In This Box! Plus an encore episode of, "The Fish With The Killer Kiss!" 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 9/30/23.

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 (10/18/25)

The inspiration for this episode of Two Whats?! And A Wow! can be found at the end of your arms. It's all about hands! Guy Raz and Mindy will lend a hand (see what we did there?) to sort out the finger facts from the digit deceits. 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! - Lend a Hand (10/17/25)

On this episode of Two Whats and a Wow, we’re giving you all the intel on artificial intelligence. Guy & Mindy will get some help from the organization Girls Who Code to sort through all the WHATs and WOWs and give you the 411 on the 1’s and zeros! Grownups, discover even more WOWs about AI with a guided activity and more at http://tinkercast.com/gwc!

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! - AI & You, Featuring "Girls Who Code" (9/12/25)

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