Want to watch better-quality PBS Video? Sign in to access HD streaming!
The whole family can watch this fun chemistry show! Professor Bassam Shakhashiri and his guests celebrate the 48th anniversary of this holiday lecture with music, explosions and colorful experiments. Watch bubbles explode, dry ice turn into fog, liquids change colors, and much more!
Upgrade Your Viewing Experience
This video is available to CallSign viewers with a Passport account. Passport gives you access to a wealth of premium content not previously available online, including full seasons of your favorite shows.