ChalkZone (2002)

Season 2: Episode 16

While working on their book of ChalkZone; Flora, Fauna, Rudy, Penny and Snap venture to Hahama Island to learn more about a mysterious bird called The Smooch. Once on the island, they meet the Haha Men who show them around by singing. But when they're each kissed by the Smooch Bird and are unable to stop laughing until they kiss someone else.