3. Dinosaurs (1999)

While the brothers are building a model of a dinosaur they call the ""Martinandchrisaurus,"" Zoboo tells them he thinks he saw a dinosaur on his way to Animal Junction. The mystery creature turns out to be a monitor lizard. Jackie breaks open a pellet from an owl's stomach to see its prey's bones and fur inside, then runs into the Kratts while visiting the Royal Ontario Museum to see dinosaur bones.

Release date: 1999-12-07