It was written by showrunner, head writer and executive producer Chris Chibnall, directed by Wayne Yip, and was first broadcast on BBC One on 1 January 2019.

The episode stars Jodie Whittaker as the Thirteenth Doctor, alongside Bradley Walsh, Tosin Cole, and Mandip Gill as her companions, Graham O'Brien, Ryan Sinclair and Yasmin Khan, respectively.

In the 9th century, three opposing factions narrowly succeeded in defeating a seemingly unbeatable enemy and hacked its body into three pieces to be hidden away in the farthest corners of the Earth: Anuta Island, Siberia, and Yorkshire.

Lin and Mitch, two archaeologists, discover it in Sheffield on New Year's Day 2019, and unintentionally revive it as it remotely summons the other two fragments to become whole.

The Doctor, her TARDIS crew, Aaron and the two archaeologists immediately go to GCHQ and scupper the fleet-summoning signal, destroying the Dalek's casing in the process.

[5][1] On 6 December 2018, the BBC announced the guest stars for the episode, including Charlotte Ritchie, Nikesh Patel and Daniel Adegboyega, as the characters Lin, Mitch and Aaron respectively.

[21] The episode received an official total of 7.13 million viewers across all UK channels, making it the 14th most watched programme of the week, and it had an Audience Appreciation Index score of 79.

The website's critical consensus reads, "With a fresh take on familiar villains and a renewed sense of stakes, Resolution is a strong series special that surprises in both story and spectacle.

[27] Two tracks from the special, as composed by Segun Akinola, were included in the eleventh series' soundtrack, a 2-CD set that was released on 11 January 2019 by Silva Screen Records.