The Six Thatchers

The Six Thatchers is the Nth episode in the series.

Plot synopsis
Someone's betrayed British allies, and people are believing that Mary is the traitor. At the end of the story, Madison discovers she's pregnant...with John Watson's child!

Appearances

 * Jennifer Morrison - Madison Hunter
 * Martin Freeman - John Watson
 * Benedict Cumberbatch - Sherlock Holmes
 * Molly Hooper
 * Una Stubbs - Martha Hudson
 * Amanda Abbington Mary Morstan (last live appearance)
 * Hunter Watson (Referenced only)
 * Rosie Watson (first appearance)

Notes & trivia

 * This uses plot elements from the Short story "
 * it is unknown when Madison conceived the child, as several others indicate that she became pregnant before Mary's death, but it is known in the books she has a daughter named Lucy with Dr. Watson.