ByddThey Shall Not Grow Oldyn cael ei dangos mewn sinemâu ac ysgolion ledled y DU, cyn cael ei darlledu ar BBC2 ddydd Sul 11 Tachwedd am 9.30pm.
They Shall Not Grow Oldwill be screened in cinemas and schools across the UK, before being broadcast this Sunday 11th November at 9.30pm on BBC2.