The Legend of Ruby Sunday

311a – "The Legend of Ruby Sunday"
Doctor Who episode
Promotional title-card
Cast
Others
Production
Directed byJamie Donoughue
Written byRussell T Davies
Script editorScott Handcock
Produced byVicki Delow
Executive producer(s)
Music byMurray Gold
SeriesSeries 14
Running time1st of 2-part story, 44 minutes
First broadcast15 June 2024 (2024-06-15)
Chronology
← Preceded by
"Rogue"
Followed by →
"Empire of Death"
List of episodes (2005–present)

"The Legend of Ruby Sunday" is the seventh and penultimate episode of the fourteenth series of the British science fiction television series Doctor Who. It was simultaneously released on Disney+ in the United States on 14 June 2024 and on BBC iPlayer in the United Kingdom on 15 June. A BBC One broadcast followed later in the day. The episode is the first in a two-part story written by Russell T Davies and directed by Jamie Donoughue. The story was concluded with "Empire of Death", which was broadcast the following week on 22 June. The entire two-part story was also given a limited theatrical release.

In the episode, the Fifteenth Doctor (Ncuti Gatwa) and his companion, Ruby Sunday (Millie Gibson), seek UNIT's help in determining the identity of the mysterious woman who has appeared in many of their adventures, as well as the identity of Ruby's mother. The episode also reintroduces the villain Sutekh, following his only previous television appearance in the 1975 serial Pyramids of Mars. It was filmed in July 2023 along with the following episode.