A solar tsunami sends the TARDIS crew to an acid mining factory in the 22nd century, where a small team of workers come under attack from their doppelgangers.
#1 | Released 2011-05-21, Rated TV-PG Score 19.299 |

#2 | Released 2011-05-21, Rated TV-PG Score 14.972 |

#3 | Released 2011-05-21, Rated TV-PG Score 14.346 |

#4 | Released 2011-05-21, Rated TV-PG Score 14.242 |

#5 | Released 2011-05-21, Rated TV-PG Score 13.738 |

#6 | Released 2011-05-21, Rated TV-PG Score 13.066 |

#7 | Released 2011-05-21, Rated TV-PG Score 12.813 |

#8 | Released 2011-05-21, Rated TV-PG Score 12.707 |

#9 | Released 2011-05-21, Rated TV-PG Score 12.084 |

#10 | Released 2011-05-21, Rated TV-PG Score 12.019 |

#11 | Released 2011-05-21, Rated TV-PG Score 10.546 |

#12 | Released 2011-05-21, Rated TV-PG Score 10.461 |

#13 | Released 2011-05-21, Rated TV-PG Score 10.441 |

#14 | Released 2011-05-21, Rated TV-PG Score 10.390 |

#15 | Released 2011-05-21, Rated TV-PG Score 9.5761 |

#16 | Released 2011-05-21, Rated TV-PG Score 9.4201 |

#17 | Released 2011-05-21, Rated TV-PG Score 9.2942 |

#18 | Released 2011-05-21, Rated TV-PG Score 8.9708 |

#19 | Released 2011-05-21, Rated TV-PG Score 8.9209 |

#20 | Released 2011-05-21, Rated TV-PG Score 8.8081 |

#21 | Released 2011-05-21, Rated TV-PG Score 8.6034 |

#22 | Released 2011-05-21, Rated TV-PG Score 8.4572 |

#23 | Released 2011-05-21, Rated TV-PG Score 8.1690 |

#24 | Released 2011-05-21, Rated TV-PG Score 8.0889 |

#25 | Released 2011-05-21, Rated TV-PG Score 7.7815 |
