Defenders: Busting the Bad Guys

A teen schoolgirl goes undercover to expose shops selling illegal vapes to children, while a head teacher claims pupils can't get through a lesson without vaping. In another case, shocking bodycam footage reveals a young family living in rat-infested conditions.

Buyers beware! The lethal danger of button batteries in toys. The Defenders raid suspect shops after a baby nearly dies.

Shocking river pollution – but is Britain's biggest water company to blame? The Defenders investigate as thousands of dead fish are discovered in contaminated ‘dead rivers'. And they seize thousands of dangerous phone chargers with fake safety certificates.

The holiday scam raking in millions of pounds. But the net is closing on the shameless travel agent who is leaving families out of pocket and stranded in the sun. Also, danger on the roads! Hundreds of cars are driving around with fake MOTs, thanks to a dodgy motor mechanic.