Dennis has a bad hair day and invents a new segments to fix it. Plus an encore episode of, “An Intergalactic Interloper!” Originally aired 3/8/25.

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

Reggie loses track of time and Dennis starts the show without him. Then they read reviewsies. Plus an encore episode of, “Hey Onion! You’re Making Me Cry!” Originally aired 3/2/25.

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

Dennis gets a goldfish and he and Reggie struggle to name it. Then they answer voicemails. Plus an encore episode of, “BANG! Where'd the Universe Come From?!” Originally aired 3/1/25.

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

On the first Wednesday of every month, our pal Dennis holds an official meeting exclusively for members of the World Organization of Wowzers! (... but really anyone can listen...) W.O.W. Members, visit tinkercast.com/wow to find this month’s birthday celebrations, top secret missions, and more!

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, you can give what you can, or 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.

It's not quite breakfast... it's not quite lunch... Dennis and Reggie open a brunch restaurant! Plus, an encore of "3D Printing the Future!" 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 11/24/24.

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 some slight-of-hand magic! Plus, a Q&A segment and an encore of "Ladies & Germs, Meet The Supervillain Superbugs!" 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 11/23/24.

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 build a blanket fort and answer questions, plus an encore of "Wait...Wait...Are Those Marshmallows? Why Kids are Better at Waiting than Adults!" 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 12/15/24.

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.

Dennis and Reggie answer questions and host a guitar recital, plus an encore of "Home Grown Genome!" 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 12/14/24.

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, Reggie, and Baby Dennis answer your questions, plus an encore of "How to Talk to a Dog!" 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 12/8/24.

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 play a game of "would you rather" and read reviewsies, plus an encore of "Anti-Social Animals!" 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 12/7/24. 

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.