Mega Food - The World's Biggest Cruise Ship Full Documentary About MegaFood: Take a tasty adventure across the world from behind the scenes of the biggest kitchens on the planet. About the episode The World's Biggest Cruise Ship: With 250 chefs turning more than 100 tonnes of raw ingredients into 250,000 meals every week, culinary operations Royal Caribbean's Oasis of the Seas are akin to a military exercise.