Big Finish are making one of the Companion Chronicles free this week and it’s well worth grabbing.

The tale by Marc Platt features both Anneke Wills and Nicholas Courtney along with John Pickard and Russell Floyd.

The Three Companions – Polly’s Story by Marc Platt
Polly Wright has tracked down an old friend of the Doctor’s… Alistair Gordon Lethbridge-Stewart, former Brigadier at UNIT. As they trade stories of their time travelling in the TARDIS, it soon becomes clear that their pasts are intertwined, and linked to a current crisis on the planet Earth. And there’s a third companion, watching them from a distance. A certain Thomas Brewster…