Announced almost a year ago back in January 2014, the two hour TV special The Disappearance of Edogawa Conan ~The Worst Two Days in History~, which intends to celebrate 20 years of the manga, has finally been given an airdate. It will be airing on Japanese television Friday, December 26th, at 9.00 pm.
In addition, it was also revealed that Teruyuki Kagawa and Ryouko Hirosue, two noteworthy Japanese actors, will be lending their voices to characters of this special. Kagawa will be voicing a hitman and Hirosue the manager of a magazine.
Thanks to Tuntun for the information.