What situation has Dr. Ian Smith sitting in a dunk tank and Peter Walsh standing in ice-cold water? It's an eye-opening demo with The Numbers Game host Jake Porway and he's asking Rachael's very generous guests to play along as he reveals the many ways in which numbers play a part in everything we do!

And, check out The Numbers Game at their new air time! They're moving from 9:30 pm to 10:30 pm on the National Geographic Channel.