Natural World Season 13 Episode 1 Mysteries of the Ocean Wanderers ( Air Date 1994-11-27 ) Genre Documentary category. Overview "Focusing on a pair of albatrosses during the year they produce and raise a chick, Mysteries of the Ocean Wanderers is an engaging and atmospheric insight into the wildlife of the sub-Antarctic Crozet Islands. Delving into a previously unknown area, the film follows the intriguing work of French scientist Henri Weimerskirch as he uses satellite tracking and time-depth recorders to follow the ever changing population of these remote isles.".