Octonauts - Season 1 - Eps 26: The Beluga Whales
The Octonauts lead a pod of Beluga Whales stuck under the pack ice to safety by getting them to follow Peso while he's playing the same tune as the Beluga's song on his xylophone.
About Octonauts

Title: Octonauts
First Air Date: 2010-10-04
Last Air Date: 2024-06-24
Status: Returning Series
Rating: 6.884/10 (from 43 votes)
Language: EN
Seasons: 10
Total Episodes: 247
Network: CBeebies
Genres: Kids, Animation, Action & Adventure
Production Companies: Silvergate Media
Synopsis
Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the Octopod, from where they go on undersea adventures with the help of a fleet of aquatic vehicles.
Cast

Keith Wickham

Simon Greenall

Jo Wyatt

Rob Rackstraw