It will look at the comedy's history and legacy, and explore its enduring huge popularity, and will be broadcast on Gold channel later this year.
Xander said:
I'm thrilled to be involved in marking the 50th anniversary of the phenomenon that is Dad's Army. I've spent a lifetime enjoying the brilliance of Jimmy Perry, David Croft and the extraordinary cast. Now I get to explore everything from the birth of the show to its wonderful legacy and aim to bring fans new insights into the show we all loved so much.