This series was actually a prequel to the film rather than a continuation, as some of the other Disney animated series have been, like The Lion King's Timon & Pumbaa series. Today, you can head over to Heritage Auctions to bid on a production cel and animation drawing from the making of The Little Mermaid animated series featuring the villainous Ursula. Disney lovers, The Little Mermaid fans, it's time to head over to Heritage Auctions, where you can bid on this classic Ursula production cel and animation drawing from the cartoon series that built backstory to the undersea world that was introduced in the iconic animated movie.