On 12 September, it was announced that for the first time since the tenth series, there would be no live show broadcast from the Blackpool Tower Ballroom due to the pandemic.
[9] On 21 August 2020, it was announced that Bruno Tonioli could not be part of the judging panel for this series due to travel restrictions imposed by the COVID-19 pandemic and his role on Dancing with the Stars.
Motsi Mabuse had to miss weeks 4 and 5 in accordance with British government guidelines after travelling to Germany due to a break-in at her dance academy;[10][11] she was replaced by Anton Du Beke.
[12][13] Bill Bailey and Oti Mabuse were announced as the winners on 19 December,[14] while HRVY and Janette Manrara, Jamie Laing and Karen Hauer, and Maisie Smith and Gorka Márquez were the runners-up.
[15] Despite being confirmed in the 2020 professional line-up, on 26 March 2020, AJ Pritchard announced he was leaving the show after four years.
[17] Neil Jones and Nadiya Bychkova only featured in group dances after having partners the previous year, alongside Graziano Di Prima and Nancy Xu.
[24] On 12 November 2020, it was announced that Katya Jones had tested positive for COVID-19, which meant that she and Nicola Adams had to withdraw from the competition due to the government's guidelines on self-isolation.
Color key: Unless indicated otherwise, individual judges' scores in the charts below (given in parentheses) are listed in this order from left to right: Craig Revel Horwood, Shirley Ballas, Motsi Mabuse.
Individual judges' scores in the charts below (given in parentheses) are listed in this order from left to right: Craig Revel Horwood, Shirley Ballas, Anton Du Beke.
Musical guest: The Vamps — "Married in Vegas"[34] Anton Du Beke substituted for Motsi Mabuse, who was forced to miss two weeks due to having travelled outside the United Kingdom.
Individual judges' scores in the charts below (given in parentheses) are listed in this order from left to right: Craig Revel Horwood, Shirley Ballas, Anton Du Beke.