anchor.diff:  14|89|The Face of Evil|100|https://en.wikipedia.org/wiki/The_Face_of_Evil|The TARDIS lands in an alien jungle with a savage tribe: the Sevateem.|
   14|90|The Robots of Death|100|https://en.wikipedia.org/wiki/The_Robots_of_Death|The TARDIS lands on a huge sandminer as it travels across a barren landscape.|
   14|91|The Talons of Weng-Chiang|150|https://en.wikipedia.org/wiki/The_Talons_of_Weng-Chiang|The Doctor and Leela are attacked by stage performers in Victorian London.|
  -15|92|Horror of Fang Rock|100|https://en.wikipedia.org/wiki/Horror_of_Fang_Rock|The TARDIS lands near a lonely lighthouse on the island of Fang Rock.|
  +15|92|Horror of Fang Rock|100|https://en.wikipedia.org/wiki/Horror_of_Fang_Rock|The team of the lonely Fang Rock lighthouse start disappearing in the fog.|
   15|93|The Invisible Enemy|100|https://en.wikipedia.org/wiki/The_Invisible_Enemy_%28Doctor_Who%29|Ill, the Doctor is injected into his own body to fight the infection.|
   15|94|Image of the Fendahl|100|https://en.wikipedia.org/wiki/Image_of_the_Fendahl|The TARDIS is drawn to Fetch Priory where Professor Fendelman experiments.|
   15|95|The Sun Makers|100|https://en.wikipedia.org/wiki/The_Sun_Makers|Arriving on Pluto, the Doctor is surprised to find it has breathable air.|
  
positive.code: 4|34|The Macra Terror|100|https://en.wikipedia.org/wiki/The_Macra_Terror|The TARDIS lands on a human colony world where everyone appears to be happy.|Lost
  4|35|The Faceless Ones|150|https://en.wikipedia.org/wiki/The_Faceless_Ones|The TARDIS arrives in the landing path of a plane at Gatwick airport.|Partially Lost
  4|36|The Evil of the Daleks|175|https://en.wikipedia.org/wiki/The_Evil_of_the_Daleks|Battle rages from Victorian England to Skaro where the Daleks seem finished.|Partially Lost
  5|37|The Tomb of the Cybermen|100|https://en.wikipedia.org/wiki/The_Tomb_of_the_Cybermen|The Doctor, Jamie and  Victoria find an archealogical dig on of Telos.|
  5|38|The Abominable Snowmen|150|https://en.wikipedia.org/wiki/The_Abominable_Snowmen|The Doctor is delighted when the TARDIS returns him to the Himalayas in 1935.|Partially Lost
  5|39|The Ice Warriors|150|https://en.wikipedia.org/wiki/The_Ice_Warriors|The Doctor arrives on Earth during a new ice age and meets the Ice Warriors.|Partially Lost
  5|40|The Enemy of the World|150|https://en.wikipedia.org/wiki/The_Enemy_of_the_World|The Doctor discovers he has a double: a powerful politician called Salamander.|
  
negative.code: 11|74|Planet of the Spiders|150|https://en.wikipedia.org/wiki/Planet_of_the_Spiders|Giant Spiders and Mike Yates feature in the Third Doctor's swansong.|
  12|75|Robot|100|https://en.wikipedia.org/wiki/Robot_%28Doctor_Who%29|After his regeneration, the Doctor investigates the robbery of top secret plans.|
  12|76|The Ark in Space|100|https://en.wikipedia.org/wiki/The_Ark_in_Space|The TARDIS materialises aboard the Ark, a space station in orbit around Earth.|
  12|77|The Sontaran Experiment|50|https://en.wikipedia.org/wiki/The_Sontaran_Experiment|The Doctor, Sarah and Harry arrive on a distant future Earth which is now a desolate wilderness.|
  12|78|Genesis of the Daleks|150|https://en.wikipedia.org/wiki/Genesis_of_the_Daleks|The Time Lords foresee Daleks conquering the Universe, and send the Doctor to stop them.|
  12|79|Revenge of the Cybermen|100|https://en.wikipedia.org/wiki/Revenge_of_the_Cybermen|The time ring returns the Doctor, Sarah and Harry to space station Nerva.|
  13|80|Terror of the Zygons|100|https://en.wikipedia.org/wiki/Terror_of_the_Zygons|Oil rigs off Scotland are being attacked by the Loch Ness monster.|
  