Infection: Part 1
- Episode aired Jul 22, 2011
The Doctor and Maria land on a prison ship carrying both a deadly disease and a corrupt scientist who will stop at nothing to control it.The Doctor and Maria land on a prison ship carrying both a deadly disease and a corrupt scientist who will stop at nothing to control it.The Doctor and Maria land on a prison ship carrying both a deadly disease and a corrupt scientist who will stop at nothing to control it.