Doctor Who: Doom's Day Sees The Assassin Teaming Up with K-9 (TEASER) https://bleedingcool.com/tv/doctor-who-dooms-day-sees-the-assassin-teaming-up-w… Created Sun, 30/07/2023 - 04:04 In the next hour of the Doctor Who 60th Anniversary multimedia event, Doom's Day sees the deadly assassin meeting up with K-9.