Ep 10. Swifty the Mermaid / Princess's Fog Horn

Elias and Swifty are having a race. Swifty manages to maroon himself on Big Blinky's island, where his mournful cries are mistaken by Big Blinky as the song of a mermaid. Elias gets to the bottom of the mystery. / Big Blinky and Little Blinky are testing out their fog horns and their fog lights as they know there's thick mist about to engulf the whole of the archipelago.