Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Bionicle 2: Legends of Metru Nui -  Bionicle 2: Legends of Metru Nui is the second film in the Bionicle series and is a prequel to Bionicle: Mask of Light. This movie follows the 2004 storyline and was created using Lego elements from the Bionicle series and was released as a direct-to-DVD. It is also the last film in the franchise to be given a rating by the MPAA.
The answer to this question is:
Film