The Happy Show This episode the gang is really, really happy! They sing songs about being happy, they talk about being happy, and guess who shows up? Happy! All that and a whole lot more! Songs played in this episode include - The Happy Song If You're Happy and you Know it Big Yellow Sun Be Kind Have a Great Day The Baby Big Mouth Podcast! Sing, dance, and explore with fun, educational, music filled episodes that kids will love. Join Baby Big Mouth and all of his friends every week for BIG FUN!