Join in the adventure as Jenna, Caleb, and Ari unlock the secret of time travel and journey back 15,000 years to witness the great Missoula Floods of the Ice Ages--the largest floods to have ever washed over the face of the earth. The time travel kids tour the changing landscapes of this world of the not-so-distant past, when giant mammoths and saber-toothed cats roamed the Pacific Northwest. From back of the mythic Thunderbird, they work together to survive the dangers of the Ice Age Cataclysm!