Barbie: Thumbelina (also known as Barbie Presents: Thumbelina) is a 2009 computer-animated fantasy film directed by Conrad Helten. It was released on March 17, 2009, and it made its television premiere on Nick Jr. UK on December 24, 2012. The fifteenth film in the Barbie film series, it is a modern retelling of Hans Christian Andersen's fairy tale Thumbelina. The film centers around Thumbelina, a "twillerbee" who befriends a human girl, and both must cooperate their strength in order to save the environment.