The Poison Sky (TV story)

Synopsis
The Sontarans plan enters its final stage.

Plot
to be added

Cast

 * The Doctor - David Tennant
 * Donna Noble - Catherine Tate
 * Martha Jones - Freema Agyeman
 * Wilfred Mott - Bernard Cribbins
 * Sylvia Noble - Jacqueline King
 * General Staal - Christopher Ryan
 * Commander Storr -

Production crew
To be added

Story notes

 * Helen Raynor wrote this episode. Her Series 3 episodes Daleks in Manhattan and Evolution of the Daleks both occupied fourth and fith episode in the series. This two part episode also occupies episode four and five.
 * This is part two of The Sontaran Strategem

Ratings
To be added

Myths
The poison sky may refer to the way the Sontarans are taking over the earth. There are also rumors that the Sontarans will clone Martha Jones.

Filming locations
To be added

Continuity
To be added

Discontinuity, Plot Holes, Errors
To be added.

DVD and other releases

 * It will be released on the Series 4 boxset DVD in November 2008.