MSG, Brazil Nuts, Elderflower

S06 E01 • Monday, Aug 31, 2015 • Aug 31 • 25m

Are alarming headlines about MSG justified? Jimmy visits a huge factory to find out. Kate investigates rumours that the Brazil nuts in UK supermarkets are all radioactive. Plus: elderflower cordial.

Vitamin D, Wagu Beef, Swiss Cheese

S06 E02 • Monday, Sep 7, 2015 • Sep 7 • 25m

Jimmy investigates the effects of vitamin D deficiency. Kate wants to know how supermarkets can sell wagyu beef, cheaply. And Matt heads to Switzerland to ask why there are holes in Swiss cheese.

Blue Fin Tuna, Ice Cream, Peas

S06 E03 • Monday, Sep 14, 2015 • Sep 14 • 25m

Jimmy heads to Spain to meet an entrepreneur farming blue fin tuna. Kate investigates why ice cream can go gritty, and Matt explores the difference between premium and budget peas.

Vodka, Instant Coffee, Wensleydale Cheese

S06 E04 • Monday, Sep 21, 2015 • Sep 21 • 25m

Jimmy investigates whether it's worth splashing out on expensive vodka, Kate finds out how coffee beans are turned into instant granules, and Matt checks out Wensleydale cheese.

Pistachios, Rolled Oats, Prosecco

S06 E05 • Monday, Sep 28, 2015 • Sep 28 • 25m

Why do we have to pay for pistachios that we can't crack open and eat? Are traditional rolled oats better for us than quick-cook porridge? Plus: the trouble with draught Prosecco.

Vegetables, Wine, Biscuits

S06 E06 • Monday, Oct 5, 2015 • Oct 5 • 25m

Jimmy examines how far farmers go to produce perfect veg for supermarkets. In America, Kate discovers that wine's getting stronger. Matt finds out which biscuit's best for dunking.

Pineapples, Chocolate, Mussels

S06 E07 • Monday, Oct 12, 2015 • Oct 12 • 25m

Kate discovers how scientists are using pineapple enzymes to help burns victims. How do the bubbles get into chocolate bars? And should we never eat mussels when there's an 'r' in the month?

Plums, Vegetables, Cherry Tomatoes

S06 E08 • Monday, Oct 19, 2015 • Oct 19 • 25m

Do prunes really keep us regular? How much sugar is in cherry tomatoes, and are supermarkets labelling them correctly? And can a Dutch pioneer grow veg using sea water?

Crabs, Greens, Gummy Sweets

S06 E09 • Monday, Oct 26, 2015 • Oct 26 • 25m

Jimmy explores new ways to get crabs to come out of their shell. Kate finds out how to get children to eat their greens. And how are gummy sweets made? Matt investigates.

Revisited: Mozzarella, Venison and Sprouts

S06 E10 • Monday, Nov 2, 2015 • Nov 2 • 25m

The team look back at some favourite investigations. Why is that liquid in packets of mozzarella? Why do we import venison when there are so many British deer? Why shouldn't we eat raw bean sprouts?

Episode 11

S06 E11 • Monday, Nov 23, 2015 • Nov 23 • 25m

Episode 12

S06 E12 • Friday, Feb 19, 2016 • Feb 19 • 25m

Episode 13

S06 E13 • Friday, Feb 26, 2016 • Feb 26 • 25m

Episode 14

S06 E14 • Friday, Mar 4, 2016 • Mar 4 • 25m

Episode 15

S06 E15 • Monday, Mar 7, 2016 • Mar 7 • 25m

Episode 16

S06 E16 • Monday, Mar 14, 2016 • Mar 14 • 25m

Episode 17

S06 E17 • Sunday, Dec 27, 2015 • Dec 27 • 1h

Episode 18

S06 E18 • Monday, Jan 4, 2016 • Jan 4 • 25m