BIONICLE #19: Enemies of Metru Nui is the nineteenth issue of the BIONICLE comic series.
The inside front cover provides brief backstory. The centerfold features the large summer sets (Turaga Dume & Nivawk, as well as the Dark Hunters Nidhiki and Krekka). A back page promotes new content at www.BIONICLE.com, including Vahki animations, "Ask Greg," and the BIONICLE 2 movie site. Another back page advertises the new guide book BIONICE: Metru Nui - City of Legends, saying that it includes an exclusive code to access a secret web site. Another back page advertises the Vahki sets now in stores. The back cover advertises the movie BIONICLE 2: Legends of Metru Nui, which will arrive on DVD and video on October 19 and will feature the Vahki as villains.