Blue Peter's Big Olympic TourEpisode 7: Saffron WaldenCBBC Duration: 30 minutesFirst broadcast: Sat 7th Jul 2012, 09:00 on BBC Two ScotlandLatest broadcast: Sat 7th Jul 2012, 09:00 on CBBC ChannelHelen and Barney continue to tour the country following the Olympic Torch. The team heads to Saffron Walden where they learn all about diving.ContributorsPresenter:Barney HarwoodPresenter:Helen SkeltonGenresSportOlympicsSeriesBlue Peter's Big Olympic Tour Source: BBC Online