15:40Sam and Mark's Guide to Dodging DisasterShortsEpisode 3: PiranhasCBBC Duration: 5 minutes Wed 24th Mar 2010, 15:40 on BBC One North WestA light-hearted look at how to survive the most dangerous situations that Mother Nature can chuck at you.ContributorsPresenter:Sam NixonPresenter:Mark RhodesGenresChildren'sFactualBrandSam and Mark's Guide to Dodging DisasterSeriesSam and Mark's Guide to Dodging Disaster: Shorts Source: BBC Online