Watchdog - Season 41

Among tonight's stories, a shocking report reveals serious safety concerns over some of the country's best-known companies, and the team tackles a problem that more viewers have been in touch about than almost any other, unravelling how you could find yourself being billed for mobile phone services you're sure you never agreed to, or that don't even exist.

Rogue Traders is back, catching on camera perhaps its most audacious scam yet. How will the trader react when they realise their lies have been rumbled? The Swab Mob uncovers dramatic hygiene failings in the last place you'd expect, and there's live reaction and advice while the programme is on air.

As the nation's biggest consumer series continues live from Salford, Steph McGovern, Matt Allwright and Nikki Fox hold more big names to account, tonight exposing the major retailers caught on camera breaking the law by selling knives to a 16-year-old. Also, how an agency trusted with our personal details has managed to lose thousands of people's data, and reformed fraudster King Con unravels a mysterious and growing scam that's bumping up an essential cost for everyone who drives. Plus, in Rogue Traders, Matt's on the trail of a firm of locksmiths with an unorthodox and very expensive approach to fixing broken locks.

Matt Allwright, Steph McGovern and Nikki Fox expose more big-name companies letting viewers down, and Prue Leith investigates the extent of food waste at popular food chains.

Steph McGovern, Matt Allwright and Nikki Fox return with the latest consumer investigations, including surprising lab results on the freshness of supermarket chicken.

Matt Allwright, Steph McGovern and Nikki Fox reveal which of the major banks is most likely to pin the blame on you if you are taken in by a fraud.

Steph McGovern, Matt Allwright and Nikki Fox hold more big names to account for letting customers down, and in Rogue Traders the team go undercover in a firm accused of pressure selling.