Rainbow Rangers - Season 1 - Eps 47: A Whale of a Problem
Rosie, B.B., and Mandy have to save a whale who is beached on the shore, but no matter how many times Rosie sends him back in the sea, the whale always ends up back on dry land. They eventually find that the whale is scared by Preston's submarine sonar and he won't believe their words and refuses to shut off the sonar.
About Rainbow Rangers

Title: Rainbow Rangers
First Air Date: 2018-11-05
Last Air Date: 2022-04-15
Status: Returning Series
Rating: 6.8/10 (from 4 votes)
Language: EN
Seasons: 3
Total Episodes: 113
Network: Nick Jr. Kartoon Channel!
Genres: Animation, Family, Kids
Production Companies: Genius Brands International
Synopsis
Rainbow Rangers takes place in the magical land of Kaleidoscopia and focuses on the adventures of seven 9-year-old girls—Rosie Redd, Bonnie Blueberry, Indigo Allfruit, Anna Banana, Mandarin Orange, Pepper Mintz, and Lavender Laviolette- who are all represented by the colors of the rainbow. Each use their own powers to help protect the citizens of their land, clean the planet, and make the world a better place.