The adventures of an optimistic young elephant called Mumfie and his best friends Pinkey and Jelly Bean. Mumfie, Pinkey and Jelly Bean decide to play at being shipwrecked on Lost Island before going to meet Kaleb and Black Cat - at first Boo Whale is worried about them, but she then scolds them a little when she sees they have let off a distress rocket just for fun. When Mumfie's boat floats away from the island and the friends really are shipwrecked, Boo does not believe their cries for help...

The adventures of an optimistic young elephant called Mumfie and his best friends Pinkey and Jelly Bean. Kaleb and Black Cat return from a trip with stars in their eyes and amazed at what they have seen - as this gives Mumfie and his friends the impression that their island is not good enough, they organise outings and sight-seeing trips to convince the travellers that their island is the best. The more Black Cat criticises, the more Mumfie and his friends increase their efforts...