11:00Sam and Mark's Guide to Dodging DisasterShortsEpisode 22: Polar BearsCBBC Duration: 5 minutes Mon 19th Jul 2010, 11:00 on BBC Two WalesA 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