Thin Ice (audio story)

Thin Ice is an audio play based on the unproduced story Ice Time, which was originally scheduled as one of the stories making up the planned Season 27, which was supposed to air in 1990. However, the cancellation of the series made the proposed Season 27, and this story, unused.

Publisher's summary
Moscow 1967. The Doctor and Ace have arrived behind the Iron Curtain, and the Soviet Union is seeking a new weapon that will give it mastery in the Cold War.

What is the secret of the Martian relics? As the legendary War Lord Sezhyr returns to life, the Doctor is faced with some of his oldest and deadliest enemies.

The fate of Earth – and the future of Ace – are now intertwined...

Plot
Moscow 1967. The Doctor and Ace have arrived behind the Iron Curtain, and the Soviet Union is seeking a new weapon that will give it mastery in the Cold War.

What is the secret of the Martian relics? As the legendary War Lord Sezhyr returns to life, the Doctor is faced with some of his oldest and deadliest enemies.

The fate of Earth – and the future of Ace – are now intertwined...

Cast

 * Seventh Doctor - Sylvester McCoy
 * Ace - Sophie Aldred
 * Markus Creevy - Ricky Groves
 * Lt Raina Kerenskaya/Sezhyr - Beth Chalmers
 * Hhessh - Nicholas Briggs
 * Major Maxim Alexandrovitch Felnikov - John Albasiny
 * Adjudicator/Vitali Semyonovitch Wolshkin/Glarva - Nigel Lambert
 * Yevgeni/Yasha Lemayev - John Banks

Continuity

 * The Doctor claims to have never delivered a baby before. He would do so again in Ireland in September 1649. (BFA: The Settling) He would later claim to have delivered the Mongol military leader Genghis Khan, whom he described as a "sweet baby." (NA: Tragedy Day)
 * This is the second time that Ace has visited London in the 1960s. (DW: Remembrance of the Daleks)
 * Immediately after the events of this story, the Doctor and Ace travel to October 1989 where they are reunited with Markus Creevy and Colonel Felnikov as well as the former's then twenty-one-year-old daughter, Raine. (BFA: Crime of the Century)

Timeline

 * Thin Ice takes place immediately after DW: Survival.
 * Thin Ice takes place before BFA: Crime of the Century.