Dennis and Reggie are joined by a very special guest for a knuckle-crackin' Q&A segment. Plus, an encore of "Oh Knuck-Crackers! The Science of Poppin' Knuckles!" 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 12/1/24.

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 dish up a cake using Dennis' Cakey Bake Jr. oven, plus an encore of "The Dinosaur with Dandruff!" 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 11/30/24.

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.

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, visit tinkercast.com/support to give what you can or to 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.