Thicker than Water
is a Big Finish Productions audio drama
based on the long-running British science fiction television series Doctor Who
. It is a sequel to the earlier audio play Arrangements for War
It is three years since the Sixth Doctor
helped repel the Killoran invasion of Világ, and he brings a new friend, Mel
, to meet an old one. Evelyn Smythe
, his former companion is now married to Principal Triumvir Rossiter. But Evelyn has made political enemies, among them her own stepdaughter Sofia, and the reunion takes a deadly turn when Evelyn and Mel are kidnapped.
- This story features an uncredited appearance by Sylvester McCoy as the Seventh Doctor.
- It is revealed in this story that Hex, who is a companion of the Seventh Doctor, is the son of Cassie from Project: Twilight and Project Lazarus.