Doctor Who Season 3, Episode 3 : Gridlock

The Doctor returns to New Earth with Martha, and finds that the streets are controlled by the Pharmacists and the city is in perpetual gridlock. What menace is lurking in the pollution filled depths of the Motorway? Guest Stars: Bridget Turner, Ardal O'Hanlon, Lenora Crichlow, Jennifer Hennessy, Anna Hope, Travis Oliver, Georgine Anderson, Simon Pearsall, Daisy Lewis, Nicholas Boulton, Erika Macleod, Judy Norman, Graham Padden, Lucy Davenport, Tom Edden, Natasha Williams, Gayle Telfer Stevens, Struan Rodger,

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