Current Affairs Investigation. Week in Week Out Special examining the police 'Operation Seal Bay', which smashed a large international drug running ring.

Highlights of the week in politics in Wales presented by Felicity Evans from Thursday 3 February.

Highlights of the week in politics in Wales presented by Adrian Masters from Thursday 20 January.

Sarah Greene uncovers her Welsh ancestry and discovers her hidden family tree and the story of a grisly family murder. Show more

A compelling insight into the lives of five Welsh families struggling to cope thousands of miles from the Afghan battlefields, as Welsh regiments fight the Taliban. Show more

Jon Sopel and Aled ap Dafydd with analysis of the political scene shaping Wales.

Dr Rhys Jones works with some of Wales's wildest animals. He visits Kenya, where he uncovers a snake murder mystery, and finds a grass snake feigning death in a Gwent garden. Show more

Felicity Evans crunches the numbers ahead of the government's spending review, and looks at how a legal challenge could slam the door on a council's housing plans. Show more

Jon Sopel and Aled ap Dafydd with analysis of the political scene shaping Wales. Show more

David Williams reveals how the yes and no camps campaigned for the public vote in the recent assembly powers referendum. Show more

Jane Harvey meets the detective who was determined to put drug lord John Damon Gizzi in jail, and gains access to the police investigation that finally caught him. Show more

Felicity Evans takes a fresh look at politics through the Dragon's Eye. A week after Wales says 'Yes' to direct law making powers we look at where next on the devolution journey. Show more

Jon Sopel and Aled ap Dafydd with analysis of the political scene shaping Wales. Show more

Hospital documentary series. Consultant neurosurgeon Mr Nannapaneni uses a revolutionary technique to remove a tumour in the brain. Show more

Hospital documentary series. Consultant paediatric surgeon Mr Simon Huddart faces a long and difficult operation on a young boy with kidney cancer. Show more

Adrian Masters and Felicity Evans take a fresh look at politics. Dragon's Eye starts its countdown to the general election with a beginner's guide to the political battle ahead.

Jon Sopel and Felicity Evans with analysis of the political scene shaping Wales.

Series discovering some of the finest houses in Wales. Laurence Llewelyn-Bowen visits Glynllifon - a huge neo-classical mansion near Caernarfon in Gwynedd. Show more

Highlights of the week in politics in Wales presented by Adrian Masters from Thursday 3 June.

Series discovering some of the finest houses in Wales. Laurence Llewelyn-Bowen visits Plas Penmynydd - a medieval mansion house in the heart of rural Anglesey. Show more