15:43World of HappyEpisode 7: The Thanking You SharksCBBC Duration: 5 minutes Wed 7th Jul 2010, 15:43 on CBBC ChannelShort animation. The burping sharks are taught about respect.ContributorsNarrator:Geoffrey PalmerProducer:Emma StrainExecutive Producer:Jo SargentWriter:Giles AndreaeGenresChildren'sSeriesWorld of Happy Source: BBC Online