The Churchill Years: Volume Two

 was an audio anthology box set featuring Winston Churchill as played by Ian McNeice in the new series of Doctor Who. It was the first Big Finish release to feature the Ninth, Tenth, and Eleventh Doctors, although the roles were not performed by their original actors, the roles were instead filled by McNeice as his Churchill character served as narrator for the stories.

Publisher's summary
Young Winston by Paul Morris

London, 1899. After spending time in warzones abroad, Winston Churchill considers a Parliamentary career. But a memento from his visit to Cuba, four years earlier, returns to haunt him. Across the city, the Great Detective has a mysterious caller, all the way from Havana. As ruthless mercenaries wield alien powers, young Winston and Madame Vastra learn they have a mutual friend - an eccentric young man, sporting a bowtie...

Human Conflict by Iain McLaughlin

1941. The Prime Minister has much on his mind as London reels from the Blitz. When a daring mission to discover Nazi secrets bears unexpected results, Churchill heads north to retrieve technology that could win the war. But an old ally is set against his intent. Weary from his own people’s conflict, the Doctor knows that some weapons should never enter the field of human conflict.

I Was Churchill's Double by Alan Barnes

Alexandra Palace, 1942. Strange television signals show a paranoid Churchill urging on the resistance in German-occupied Britain. A man in a battered leather jacket makes a guest appearance. The broadcasts come from another world, one where the country is now part of the Kaiser’s Empire. Of course, the Doctor is involved, and while Churchill claims to understand the notion of 'alternative histories', he never expected to be part of one.

Churchill Victorious by Robert Khan & Tom Salinsky

VE Day, 1945. The war is over. The PM has seen the crowds and made his speech. Now he wishes to soak up the atmosphere, moving incognito among his fellow countrymen. But an alien interloper lurks in a backstreet tavern, and 'William Churchyard' must lead a few plucky Londoners into one more fight. The Doctor is in trouble, and at the time of his greatest victory, Churchill also faces his greatest danger...

Stories

 * Young Winston
 * Human Conflict
 * I Was Churchill's Double
 * Churchill Victorious