Detective Conan: Approach the Ancient Dinosaurs! VHS Video Unopened, Shrink-Wrapped "Detective Conan: Approach the Ancient Dinosaurs!" was released in 2002 as a supplement to Shogakukan's Zukan NEO, a learning-focused OVA (Original Video Animation) with a dinosaur theme, featuring Conan and his friends investigating dinosaur mysteries. It is not an episode of the regular TV anime series, but rather a work with strong scientific and educational elements. The title of the work itself is "Detective Conan: Approach the Ancient Dinosaurs!"