The salt air is thick, the buffet is endless, and the Mystery Machine is safely tucked away in the ship’s hold. The gang is finally taking a "mystery-free" vacation aboard the SS Starlight.

But as the ship crosses the invisible line into the Bermuda Triangle, the tropical sun is swallowed by a sudden, sickly green fog. The compasses spin wildly, the engines groan to a halt, and a chilling whistle echoes across the deck.