The title of Detective Conan Episode 462, that is going to be aired on 29th Jan, 2007 will be "Shadow of Black Organization - A very young Witness" which is based on the Manga Vol 53 File 7-10, Vol 54 File 1-2. It is not confirmed yet if this episode is going to be a special episode or part one from 2 or 3 parter episodes. In this episode, Conan is going to meet the small boy from episode 425, which was trying to get his ball from the middle of the road, and caused an accident that put Mizunashi Rena, the member of Black Organization, into a coma.

Edit:

It's confirmed that this will not be a special episode but rather a series of parters.