23:15WaterworldShortsEpisode 2: Rathlin IslandBBC Two Northern Ireland Duration: 14 minutes Sun 1st Mar 2015, 23:15 on BBC Two Northern IrelandDarryl Grimason finds out more about what lies on the seabed off Rathlin Island.ContributorsPresenter:Darryl GrimasonExecutive Producer:Paul McGuiganGenresFactualFactualScience & NatureNature & EnvironmentFormatsDocumentariesBrandWaterworldSeriesWaterworld: Shorts Source: BBC Online