Lost in the Caves

S1 E4: The Pontypandy Pioneers go exploring in some mountain caves; further down the mountain, Steele and Gareth renovate an old hand-cart that was once used in the mines. Mandy is interested in bats but Norman is terrified at the prospect of bats flapping their wings at him and turning him into a bat! Finally Mandy spots a bat, separates from the others and follows it down a tunnel.