    Sentence.1; Who did the BBC work with  to..reconstruct some..of The .Invasion  episodes? .    Sentence 2:'The BBC,. in, conjunction.  with animation studio, Cosgrove , Hall,  reconstructed: the. missing. episodes..\1.  and 4’ of .The Invasion. (1968), using  remastered audio: ‘tracks’ and... the  comprehensive’. stage, ‘notes .for..'the  original filming, for, the. serial's. DVD.  release in November.2006.