EPISODE RUNDOWNS Episode 1: "THE BOILING SEA" THE MASS AGGREGATION OF TUNA, SHARKS & WHALES. The Coral Sea (Australia) Each year during the Spring full moon somewhere in the Coral Sea, hundreds of thousands of tuna amass along with whales, sharks and whale sharks, transforming the otherwise tranquil ocean into a boiling sea. Combining the technological capabilities and prowess of the Quest and its team, the Wights, together with a group of fisheries scientists, are able to locate, witness and explain this extraordinary marine phenomenon.