Television Review

Doctor Who: ‘The Legend of Ruby Sunday’ — deflating mystery brings back an esoteric foe

The Doctor and UNIT investigate Ruby’s past. But as the Time Window reveals horrifying secrets from Christmas Eve, the mysterious Triad Technology unleash the greatest evil of all.

After seven episodes, including the Christmas special, it’s time for answers about who abandoned Ruby (Millie Gibson) as a baby in 2004, and why the same woman (played by actress Susan Twist) has been appearing in every adventure The Doctor (Ncuti Gatwa) has been on since meeting her. Unfortunately, “The Legend of Ruby Sunday” didn’t make a strong case that Russell T. Davies has a watertight explanation for everything, as a lot hinged on silly anagrams and a red herring.

The Doctor finally seeks help from UNIT to explain why the same woman has been appearing everywhere he goes. They reveal she also exists in the present day as tech mogul Susan Triad — or “S. Triad”, an anagram of “TARDIS” — who is about to launch her world-changing technology to the world…