09:50Gym StarsSeries 4Hold on TightCBBC Duration: 22 minutes Signed Sun 28th Aug 2022, 09:50 on CBBC ChannelAvailable for yearsWatch nowZion and Winston head to the British Championships, and Olympic Amelie hits Japan!ContributorsNarrator:Remel LondonExecutive Producer:Rachel Drummond-HayExecutive Producer:Tamsin SummersGenresChildren'sFactualChildren'sSportBrandGym StarsSeriesGym Stars: Series 4 Source: BBC Online