Try 30 days of free premium.

Hot Balloon

What happens when you put a flame to a water-filled balloon? How do elephants hear? And what happens to entire countries during earth-shattering tectonic plate movements? Find out as Head Rush host Kari Byron asks these and other fascinating questions.

Try 30 days of free premium.

Guest Cast

View full cast list »

Cast Appearances

View full appearance list »

Episode Discussion

No comments yet. Be the first!

Login to leave a comment on this episode.
Try 30 days of free premium.