Conan doesn't disappear often. When he does, the entire Detective Boys operation collapses in real time, and you realize how much the show depends on a ten-year-old who isn't actually ten. It's a premise that could only work as a special, stretched across two days that feel longer than entire arcs. The 20th anniversary celebration isn't about looking back. It's about breaking the formula everyone's been watching for two decades and asking what Conan's world looks like when he's suddenly gone from it.
A one-episode Detective Conan special from 2014, made to mark the 20th anniversary of Gosho Aoyama's original manga. As the title suggests, the story centers on the disappearance of Conan Edogawa, over what it calls the worst two days in history. Along the way it brings to light an episode from Conan's past that had never been told before, blending mystery and adventure with comedy. The special was also packaged with the limited edition of the manga's 86th volume.