The Little Mermaid - Season 1 - Eps 12: Beached
Ariel and her big sister Arista get into a big arguement, so they can't go to the carnival. Everything gets all out of hand but when some gators try to rob the kingdom Ariel and Arista learn the true value of sisterhood and teamwork.
About The Little Mermaid

Title: The Little Mermaid
First Air Date: 1992-09-11
Last Air Date: 1994-11-25
Status: Ended
Rating: 7/10 (from 703 votes)
Language: EN
Seasons: 3
Total Episodes: 31
Network: CBS
Genres: Family, Animation, Kids, Sci-Fi & Fantasy
Production Companies: Walt Disney Television, Disney Television Animation
Synopsis
Disney's The Little Mermaid is an American animated television series produced by Walt Disney Television Animation based on the 1989 Disney film of the same name. It features the adventures of Ariel as a mermaid prior to the events of the film. This series is the first Disney television series to be spun off from a major animated film. Some of the voice actors of the film reprise their roles in the series, among them Jodi Benson as Ariel, Samuel E. Wright as Sebastian, Kenneth Mars as King Triton, and Pat Carroll as Ursula.
Cast

Jodi Benson
Ariel (voice)

Jim Cummings
Ebb & Emporer Sharga (voice)

Samuel E. Wright
Sebastian (voice)

Kenneth Mars
King Triton (voice)

Danny Cooksey
Urchin (voice)

Mary Kay Bergman
Arista (voice)

Maurice LaMarche
Scuttle (voice)

Edan Gross
Flounder (Voice)