The Environment Agency responds to a major incident after several canisters containing a deadly chemical weapon, mustard gas, are dumped in a lake. The race is on to find the canisters before they affect the environment and even the water supply. \n\nMeanwhile, the National Trading Standards Scams Team enlists an army of volunteers to help beat a multi-billion-pound scam, and the Charity Commission closes in on a fraudster caught stealing from a children’s cancer charity.
Source: BBC 1
Series 5: Episode 8
A secret surveillance operation uncovers a shocking case of human trafficking and modern slavery. Scores of young men and women are being kept as prisoners and forced into unpai ...
08-12-2023
BBC 1
Series 5: Episode 6
A seven-year-old boy suffers a fatal electric shock during a family visit to their local pub. Investigators discover a catalogue of electrical faults, including 12 defects that ...
07-12-2023
BBC 1
Series 5: Episode 5
Hundreds of pensioners are left stranded after booking a five-day holiday in Torquay. They only discover they’ve been conned when the coaches that are supposed to pick the ...
06-12-2023
BBC 1
Series 5: Episode 4
The Civil Aviation Authority catches a fraudster who lied to get a job as a captain with one of the UK’s largest airlines. After looking into his background, they discover ...
05-12-2023
BBC 1
Series 5: Episode 3
DVSA inspectors investigate the cause of a horrific crash in which an HGV careered out of control, smashing through a motorway central reservation and killing two people. The HG ...
04-12-2023
BBC 1
Series 6: 10. Holiday Hell
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 o ...
01-12-2023
BBC 1
Series 6: 9. River Of Sewage
Shocking river pollution – but is Britain’s biggest water company to blame? The Defenders investigate as thousands of dead fish are discovered in contaminated &lsquo ...
30-11-2023
BBC 1
Series 6: 8. Deadly Toy Stories
Buyers beware! The lethal danger of button batteries in toys. In one case, a baby almost dies after swallowing a battery from a dangerous toy. The Defenders raid suspect shops t ...
29-11-2023
BBC 1
Series 6: 7. Child Vaping Crisis
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 anoth ...
28-11-2023
BBC 1
Series 6: 6. Death On The Railway
A young boy is electrocuted on a train track. But who is to blame? The Defenders investigate and make a shocking discovery. In another case, they take on a driveway conman with ...
27-11-2023
BBC 1
Series 4 (shortened Versions): Episode 8
The Environment Agency responds to a major incident after several canisters containing the deadly chemical weapon mustard gas are dumped in a lake. The race is on to find the ca ...
06-04-2022
BBC 1
Series 3: Episode 8
At Felixstowe docks in Suffolk, enforcement agents are on the hunt for counterfeit and dangerous goods, stopping them entering the country. They also chase down a gang that has ...
29-10-2020
BBC 1
Series 1: Episode 9
The defenders crack down on landlords putting tenants' lives at risk. A shocking video, recorded by a tenant, shows the smoke and fire damage caused to his room when a block of ...
23-09-2019
BBC 1
Series 4 (shortened Versions): Episode 9
The Office of Rail and Road examines the causes behind a fatal road traffic collision in which two men died. Investigators discover that the man driving had been asked by his bo ...
07-04-2022
BBC 1
Series 3 (shortened Versions): Episode 9
Our defenders bust a tenant making over £100,000 by unlawfully sub-letting his council flat in London. And they help rescue over 150 dogs being kept in squalid conditions ...
18-03-2021
BBC 1
Series 4 (shortened Versions): Episode 3
Investigators take action against a cowboy builder who conned several customers out of tens of thousands of pounds. His work was so bad, he was dubbed the worst builder in Wales ...
30-03-2022
BBC 1
Series 4 (shortened Versions): Episode 10
The Maritime and Coastguard Agency investigates a collision involving a party boat on the River Thames. The boat had been hosting a Christmas party, and there were well over 100 ...
08-04-2022
BBC 1
Series 4 (shortened Versions): Episode 6
Jamie Duffy, the waste crime manager at Maidstone Borough Council, is on the trail of three fly-tippers, caught on camera dumping bags of rubbish in a lay-by. Jamie is out to fi ...
04-04-2022
BBC 1
Series 4 (shortened Versions): Episode 7
TUC health and safety officers investigate the tragic death of a five-year-old girl following an incident at a children’s playground. The local council becomes the focus o ...
05-04-2022
BBC 1
Series 5: Episode 4
The Civil Aviation Authority catches a fraudster who lied to get a job as a captain with one of the UK’s largest airlines. After looking into his background, they discover ...
05-12-2023
BBC 1