Broadcast Outage: We're investigating a broadcast transmission failure affecting the San Luis Valley from Antonito in the south to Salida in the north. We're working to resolve this issue. You can stream our live broadcast HERE or via the RMPBS+ App.

Stream live and on-demand content now on our new app:

RMPBS+

Donate

Help tell more stories in 2026 - make a year-end gift!

Sid the Science Kid show's poster

TV-Y

Sid the Science Kid

I Have Muscles Where?

Sid the Science Kid is an animated television series that uses comedy to promote exploration, discovery and science among preschoolers. The characters pose questions and investigate objects and events that can be directly observed and explored. Ages: 3-6 Educational Goal: Science

RMPBS Passport

Please log in to your PBS Passport account to watch this video

Become a Member

I Have Muscles Where?

Season 1 Episode 37 | 25m 57s | CC

When Sid's Dad tells him a really funny joke, Sid laughs so hard that his face hurts. Sid wonders why his face would hurt if the joke was funny? When Sid and his friends investigate at school, they learn that they have muscles all over their bodies, even in their faces!

share

Sid the Science Kid

Watch more episodes

Sid the Science Kid

Getting a Shot: You Can Do It!

Sid is feeling apprehensive about getting a flu shot.

Sid the Science Kid

Sid wants to eat birthday cake for every meal, but is this the best choice for Sid's body?

Sid the Science Kid

Sid’s parents tell him to wash his hands to keep away germs.

Subscribe to Our Newsletters

Get trusted Colorado stories, programs, and events from Rocky Mountain PBS straight to your inbox.

Set Your Preferences >