Complex sentence: CBS did another repeat airing of this documentary on September 10,2006 the night before the 5 th anniversary of the attacks, this was again hosted by De Niro and it contained updates from the principal members of the documentary as of 2006.
Split into simpler sentences: CBS did another repeat airing of this documentary on September 10,2006 the night before the 5 th anniversary of the attacks, this was again hosted by De Niro. However, this version contained updates from the principal members of the documentary as of 2006.