Rolling is the thirty fourth episode of the first series. It first aired on October 21, 1999.
Milo has lost the wheel of his fire engine, while searching for it, the other Tweenies find lots of things that roll.
This Episode has The Original Costume Design Of Bella For the majority of the episode. But when she finds the wheel on Milo‘s Fire Engine her costume changes into the one That was first shown in The Episode Old House.