Dark Convoy (audio story)

 was the seventh story of the fifth season of Big Finish Productions' Short Trips series. It was read by Sophie Aldred.

Publisher's summary
Materialising aboard the submarine HMS Thunder during the Second World War, the Doctor and Ace join Commander Fitzgerald and his crew as they track a fellow sub in trouble.

While the Doctor advises the Captain on navigational matters, Ace joins in a daring mission to rescue sailors in the water. With German planes overhead, no-one's survival is guaranteed...

Plot
to be added

Characters

 * Seventh Doctor
 * Ace
 * Jimmy Mayhew
 * Thomas Fitzgerald

Worldbuilding

 * Ace's mother Audrey Dudman watched World War II naval films on Saturday afternoons growing up.
 * The Doctor's pockets contain a half eaten toffee apple, marbles and a paperweight.
 * Jimmy Mayhew joined the Royal Navy because his home was bombed during the Blitz.
 * The United States is in the process of developing sonar.
 * Ace knows first aid.

Continuity

 * Captain Fitzgerald assumes that the Doctor is working at Bletchley Park. During his sixth incarnation, he worked in Hut 12A at Bletchley Park in 1944. (AUDIO: Criss-Cross)