A season of programmes marking the 100th anniversary of the Battle of the Somme.
Derek visits the trench system at Sanctuary Wood near Ypres.
Derek visits Tyne Cot cemetery with his guides Tonie and Valmai Holt.
Βι¶ΉΤΌΕΔ Wales marks the 100th Anniversary of the Battle of the Somme on TV, radio and online.
Gareth Thomas makes a significant discovery buried in a trench in Mametz Wood.
The untold story of Private Rhone, from Jamaica, who fought for the Welsh Regiment.
Headlines reveal recruiting officers reluctance to enlist black servicemen.
Derek visits the battlefield of Mametz Wood.
Derek visits the crater created by an explosion of the First Day of the Somme.
Poet Owen Shears explores In Parenthesis, while the WNO transform it for the stage.
Owen Sheers sets out to discover the story behind poetic masterpiece 'In Parenthesis'.
The director and designer discover more than expected on their battlefield recce.
Eddie Butler talks to Lloyd George's grandson Bengy Carey-Evans
What was World War One's impact on women's lives?
