Dinosaur Train: What's at the Center of the Earth?

The Conductor takes the Pteranodon family on a very special journey on a new invention – the Drill Engine Train – in search of the perfect spot for a new Underground Dinosaur Train Station! Don is THRILLED to be venturing into the BIGGEST HOLE THE EARTH HAS EVER KNOWN! Shiny is nervous to be underground, until they meet a new friend, who teaches them all about the different layers of the Earth.