YooHoo & Friends S02E34 - Holes in the Ground

One day in Greenit a big sinkhole appears in the forest. At first Yoohoo and his friends are awed by this phenomenon but become worried as more sinkholes appear in the village. Yoohoo and his friends all fall into the sinkhole and meet a mole deep in the ground. They find out that the mole lost its way home and all the digging to find its way back had resulted in the numerous sinkholes.