Season 15 - Episode Guide

Food Unwrapped returns for a new run, revealing more secrets about our food. Jimmy Doherty finds out if eating too many poppy seeds could make him fail a drugs test. Kate Quilton learns the consequences of tipping your waste cooking oil down the drain. And Matt Tebbutt has a Sicilian bake-off with increasingly popular ancient grain bread.

Jimmy Doherty travels to Turkey on the trail of a surprising food fraud: oregano. Kate Quilton investigates the worrying rise in peanut allergies. And Matt Tebbutt traces the elusive British blackcurrant from the field to the Ribena factory.

Food Unwrapped reveals more secrets about our food. Matt Tebbutt investigates concerns about levels of naturally-occurring arsenic in baby rice products. Jimmy Doherty examines Marks and Spencer's claim that they can trace all their beef burgers back to the cow. And Kate Quilton explores whether a parasite could be hiding in your sushi.

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Why is there jelly in our pork pies and how does it get there? What in nature provides the natural bright blue dye in our sweets? And why is soft shell crab such a delicacy?

Kate Quilton investigates malt, revealing how one of the unsung heroes of the kitchen cupboard is produced, while Jimmy Doherty follows the trail from Russia to Ramsgate to discover why caviar is so expensive and Matt Tebbutt examines what goes into muesli.

Jimmy Doherty sets out to find out how to make a kipper, and why this nutritious fish is no longer a breakfast favourite in Britain. In the Netherlands, Jimmy wonders if we should copy the Dutch, who eat their herring raw. In Germany, Kate Quilton investigates gherkins, and discovers a space-age machine that can pickle food in seconds. And if rice cakes are made from brown rice, how come they're white? Matt Tebbutt and Helen Lawal investigate.

Jimmy Doherty wonders what gives fizzy sweets their fizz, and swots up on his chemistry, to see if he can harness their explosive power in a rocket. In Ireland, Kate Quilton asks if a range of vitamin-enriched mushrooms could help the one in five Britons who lack vitamin D. Meanwhile, Matt Tebbutt investigates headlines that claim that raw kale may be bad for you, and finds out if our breakfast smoothies are safe.

In America's heartland, Jimmy Doherty finds out just how baked our baked beans are. Kate Quilton asks why stinky cheese smells so bad but tastes so good, and Matt Tebbutt heads to France to get the skinny on diet champagne.

This seasonal special reveals the delicious facts about your favourite traditional Christmas food. Jimmy Doherty heads to Sri Lanka to find out if there's anything in your Yuletide spices that can give you a dose of Christmas cheer. Matt Tebbutt visits Mr Kipling's mega mince pie factory; he asks what the difference is between raisins and sultanas, and he discovers how they get the Christmas spirit into boozy chocolates. Helen Lawal investigates whether we should score our sprouts. And Kate Quilton is wondering if the traditional Christmas dinner is a bit of a turkey, so she checks out a more decadent dish from the past: the multi-bird roast.

Food Unwrapped kicks off 2019 with a diet special full of hints and hacks for how to beat that post-Christmas bulge. Kate Quilton hits the surf in Australia to find out if replacing carb and meat classics with popular veg and fruit-based alternatives is a good way to cut calories. Dr Helen Lawal follows nine people who've been on three of the nation's favourite diets for nine months, to uncover the truth about long-term dieting. Jimmy Doherty finds out which foods and drinks can help during endurance training, and Matt Tebbutt goes dry for a month to see if ditching booze can make him look younger.

Matt Tebbutt delves into the secret world of KFC, who are on the frontline of the fight against flaccid fries. Kate Quilton goes behind the scenes at Deliveroo to discover how they're cooking up a food revolution, and she gets a pass to Papa John's to see how they achieve consistency on a mass scale. Jimmy Doherty travels to New York to investigate the surprising health benefits of a Mexican taco and Matt discovers the concealed contents lurking in cheap takeaways.