It's River Song versus UNIT!
In the next box set of UNIT – Incursions, Kate Stewart, Osgood and the team meet River Song… but can she be trusted?
Coming out May 2019. More details can be found here -> https://t.co/hWOJnbYIMh pic.twitter.com/0iAJczXqVh
— Big Finish (@bigfinish) December 7, 2018
You can find more details on the Big Finish site. Image is in the Gallery.