"Join the Word Friends in their wacky adventures. Bake a cake with Pig, explore with Ant, play with Dog, and at the end of each episode, build a word!" -- iTunes Store
Download for Free!
WordFriends are sent on a chase to catch the letter O; Dog's friends are planning a surprise party for him.
the fine print: Downloads posted on the Free iTunes Downloads blog are usually free for ~1 week. After that, you'll have to pay for them.