Students love pop culture, which is often full of science and scientific concepts that may or may not be correctly presented. When teachers tie a science project to a movie, TV series, or song, they help guide students toward correct interpretations. And, more important, teachers stimulate their creativity by tapping into their culture. This article discusses linking science and pop culture to design imaginary ecosystems. The author presents "The Dream Ecosystem" project, based on the movie "Avatar". (Contains 4 figures.)