Rolie Polie Olie - Season 6 Episode 9 The Secret Life Of Babies / Shhhh / The Coochie Coochie Coo Blues
Overview: Coochie and her brother Coo are introduced in this episode. Coochie and Coo become part of the Polie Family, Olie and Billy try to be quiet so the babies can sleep, and Zowie grows jealous of the babies because they get so much attention.