In the final programme of the present series, the current affairs team investigates the issue of cage-farmed egg production in Wales.
Brexit is in the news constantly, and with further uncertainty regarding the UK's divorce from Brussels we meet the Brexiteers who can't wait for Britain to leave.
While the number of road accidents is falling, the number of motorcyclists killed or seriously injured is on the increase.
Two women are killed every week across England and Wales by their partner or ex-partner - we meet those who've suffered domestic abuse.
Bernard Thomas was a nine-year-old schoolboy in Aberfan when disaster unfolded in his classroom.
We uncover new concerns about the standard of mental health care at Betsi Cadwaladr Health Board.
We look at the issue of second homes in coastal Welsh villages, and speak to one second home owner who accuses Welsh councils of persecuting the English with a tax increase on holiday homes.
In a new series, we speak to victims of stalking. A mum of three describes how she endured a campaign of harassment by an ex-partner, and former weather presenter Siân Lloyd reveals why she is scared to be home alone after receiving frightening correspondence from strangers.
Y Byd ar Bedwar looks at the debate surrounding solar farms.
With the Government cutting back on subsidies, what does the future hold for the solar industry?
Following a spate of recent terrorist attacks there has been a rise in the number of crimes related to religion and race.
This week Y Byd ar Bedwar speaks to a young Muslim who feels under threat because of his beliefs. And our camera capture a violent reaction to a Welsh far right group who take anti-Islamic message out on the streets.
Y Byd ar Bedwar film behind the doors of the Freemasons' temples.
Why do members want to keep their secrets? And how influential are the freemasons?
BT is the most prominent telecommunications company in the UK. But there are complaints about the phone and broadband service they provide in rural Wales.
Following Tata Steel's announcement that almost a thousand workers in Wales will lose their jobs, Catrin Haf Jones looks at the consequences for Port Talbot, and asks what the future holds for Wales' heavy industries.
Y Byd ar Bedwar asks whether Welsh-medium education is sustaining the language in the valleys?
Each year hundreds are killed or seriously injured on our roads.
In the first programme of a new series Y Byd ar Bedwar asks if enough is being done to punish the drivers who kill?
Y Byd ar Bedwar speaks to one senior citizen who's wasted thousands on competitions promising huge cash prizes, and the retired head mistress who lost £7,000 after being conned over the phone.
Y Byd ar Bedwar tackles the 'touts' pricing ordinary fans out of our national sport.
Our cameras are in Calais following the people who are trying to break into the UK to start a new life.
We speak to those who take them, and the parents who want them made illegal. And ask whether the Government's plans to ban legal highs will make any difference.
Y Byd ar Bedwar has been following Irfon Williams as he battles for cancer drugs in Wales, and we reveal the latest news about his treatment in England.
A family have recently been evicted from their home after failing to pay a multi-million pound debt. They claim that UK Acorn Finance has misled them and other customers. Y Byd ar Bedwar investigates.
Y Byd ar Bedwar travelled there to speak to those who've lost everything and in a special programme.
As the Government tries to cut the number of immigrants let in to Britain, Gareth MacRae has been sent back to the other side of the world, away from his wife Lliwen. Y Byd ar Bedwar follows them as they battle to be together.
As Wales prepares to implement the change in organ donation law, Y Byd ar Bedwar follows those affected by the transplantation process.
With increased competition to attract new students, financial woes and falling league table rankings, questions are being asked about the way some of Wales' top Universities spend public money.
Y Byd ar Bedwar asks what are the long term effects of injuries to the head while playing rugby?
Eduaction in Wales is a 'scandal': How valid are the comments made by the Conservative party?
Thirty years on from the end of the miner's strike Y Byd ar Bedwar visit two communities who battled hard to try and keep their collieries open.
Y Byd ar Bedwar have won a special award for their programme on the transgender community in Wales. Click here to watch the video...
Sian Morgan Lloyd tells us about her journey back to Sri Lanka, a decade after the disasterous Boxing Day tsunami of 2004.
Y Byd ar Bedwar return to south east Asia to find out how the people are coping since the tsunami of 2004.
The results of our YouGov poll reveal your spending habits during the festive season...
With the season of spending upon us, we find out where to shop for the cheapest Christmas dinner.
Is enough being done to help young people with mental health issues? One young girl tells Y Byd ar Bedwar about her lonely battle against depression.
Y Byd ar Bedwar follows a family facing homelessness over Christmas, after being caught in spiralling debt.
At the start of Road Safety Week, we go on patrol with the police and find out why being on the phone as you drive is considered as dangerous as drinking and driving.
We meet the soldiers who are fighting against IS, and speak to those who have lost everything because of the conflict.
We ask whether our health service is substandard to the service over the border? And one of Y Byd ar Bedwar's former reporters hits out at the NHS in Wales.
We hear from ambulance workers under pressure and reveal the worrying results of a freedom of information request.
Another opportunity to watch this year's BAFTA winning current affairs programme.
Two families of the Gleision miners speak for the first time since the court case.
Y Byd ar Bedwar confront a Carmarthenshire builder who has left several homeowners in unfinished estates.
Should the Welsh Government be considering banning the smoking of e-cigarettes in public places?
Following protests from some Cardiff City supporters, Y Byd ar Bedwar are in Malaysia, investigating doubts about Vincent Tan’s background.