Playing Spies / Wee Little Whale

S1 E18: When Sheep and Duck think that Dog has a secret, they decide to play "spy" to figure out the mystery. As they secretly watch Dog, they discover he wants to build a word with the /oo/ sound. But will they be caught before they can guess Dog's secret? Sheep rescues a tiny whale who is stuck in some seaweed and brings her home to her haystack. They quickly become best of friends. But as Whale gets bigger and bigger, outgrowing Sheep's tea cups, bathtubs and pools, Sheep realizes she must return her WordFriend to the sea. Although Whale may be big, her friendship with Sheep proves to be bigger, and the two discover a way to continue to play together: They just have to build a word!