Big Finish – River Song vs UNIT! Posted on Dec 7, 2018 Author admin Categories Audio Dramas & Radio No Comments on Big Finish – River Song vs UNIT! 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. Share on Tumblr