Where Did Makka Pakka's Sponge Go?

In the Night Garden – Season 1

Makka Pakka is walking in the garden when he comes across some stones which he decides to clean. Mind the small stone Makka Pakka, whoops! Makka Pakka trips over a stone and his sponge flies off straight into Upsy Daisy's megaphone, what a funny noise! Now how is Makka Pakka going to get his sponge back?