10:58World of HappyEpisode 3: The Dog MachineCBBC Duration: 5 minutes Fri 17th Sep 2010, 10:58 on CBBC ChannelShort animation. The hapless dogs put some softness back into their world.ContributorsNarrator:Geoffrey PalmerProducer:Emma StrainExecutive Producer:Jo SargentWriter:Giles AndreaeGenresChildren'sSeriesWorld of Happy Source: BBC Online