TV Little Mermaid's Island Little Mermaid's Island 6.2/10 by 6 users A spin-off of Disney's animated film The Little Mermaid. Two episodes were shot, but never aired. Details Casts Posters Images Title Little Mermaid's Island Alternative Titles First Air Date 1990-12-31 Last Air Date 1990-12-31 Number of Episodes 2 Number of Seasons 1 Genres , Networks , Casts Michael Thompson, Jim Cummings, Samuel E. Wright, Veronica Taylor, Marietta DePrima, Buddy Hackett, Clive Revill Plot Keywords , Scales Michael Thompson Scales (voice) Jim Cummings Sebastian (voice) Samuel E. Wright Flounder (voice) Veronica Taylor Ariel Marietta DePrima Scuttle (voice) Buddy Hackett Grimsby Clive Revill