Doctor Who: Spyfall (Part 2)

"What are you? Pathways? Signals? Synapses? I could be inside something. Oh, I hope it's not a liver. I hate being inside livers. People always get so offended. "What are you doing in my liver again?""

- The Doctor

"Spyfall (Part 2)" is the second episode of season twelve of the relaunch of the British science fiction television series Doctor Who, which is also season thirty-eighth of the entire franchise. It is the 858th episode of the entire series overall. The episode was directed by Lee Haven Jones with a script written by Chris Chibnall. It first aired on BBC America on Sunday, January 5th, 2020.