Sally is trying to grow a flower for her mom, but it just won't grow. Time to see Finola! At Finola's Farm, she introduces Cat, Sally and Nick to her secret super digger - Diggery the earthworm. Diggery shows them how plant roots need water air and compost, which Diggery helps to make. Sally's flower is sure to grow once she gets some of her own secret super diggers to help!
