Tommy and Andrea help some amazing friends and families learn about some of the world’s most fascinating locations. Kate and her best friends learn all about a subterranean underworld before performing onboard the ship. Then, the Thomas family helps a baby sea turtle in Cozumel, Mexico. The Pirghibi family explores Mexico’s past and the endangered iguanas of Honduras. Lastly, the Gmur family discovers the art of glass blowing in Murano, followed by a surprise from the ship’s captain.