Traps are sprung and old enemies unite as the Doctor and Belinda finally arrive home to find a very different world. Can the Doctor see the truth before midnight arrives?

Cast: Ncuti Gatwa, Varada Sethu, Millie Gibson, Bonnie Langford, Jemma Redgrave, Ruth Madeley, Angela Wynter, Michelle Greenidge, Alexander Devrient, Sienna-Robyn Mavanga-Phipps, Susan Twist, Jonah Hauer-King