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Monsters and Aliens
DALEKS
| Story/Episodes | The Doctor | Year |
| The Daleks | William Hartnell | 1963 |
| The Dalek Invasion of Earth | William Hartnell | 1964 |
| The Chase | William Hartnell | 1964 |
| The Daleks Master Plan | William Hartnell | 1965 |
| Power of the Daleks | Patrick Troughton | 1966 |
| Evil of the Daleks | Patrick Troughton | 1967 |
| Day of the Daleks | Jon Pertwee | 1972 |
| Frontier in Space | Jon Pertwee | 1973 |
| Planet of the Daleks | Jon Pertwee | 1973 |
| Death to the Daleks | Jon Pertwee | 1974 |
| Genesis of the Daleks | Tom Baker | 1975 |
| Destiny of the Daleks | Tom Baker | 1979 |
| The Five Doctors | Peter Davison | 1983 |
| Resurrection of the Daleks | Peter Davison | 1984 |
| Revelation of the Daleks | Colin Baker | 1985 |
| Remembrance of the Daleks | Sylvester McCoy | 1988 |
| Dalek | Christopher Eccleston | 2005 |
| Bad Wolf/Parting of the Ways | Christopher Eccleston | 2005 |
| Army of Ghosts/Doomsday | David Tennant | 2006 |
| Daleks In Manhattan/Evolution of the Daleks | David Tennant | 2007 |
| The Stolen Earth/Journey's End | David Tennant | 2008 |
CYBERMEN
| Story/Episodes | The Doctor | Year |
| The Tenth Planet | William Hartnell | 1966 |
| The Moonbase | Patrick Troughton | 1967 |
| Tomb of the Cybermen | Patrick Troughton | 1967 |
| The Wheel In Space | Patrick Troughton | 1968 |
| The Invasion | Patrick Troughton | 1968 |
| Revenge of the Cybermen | Tom Baker | 1975 |
| Earthshock | Peter Davison | 1982 |
| The Five Doctors | Peter Davison | 1983 |
| Attack of the Cybermen | Colin Baker | 1985 |
| Silver Nemesis | Sylvester McCoy | 1988 |
| Rise of the Cybermen/The Age of Steel | David Tennant | 2006 |
| Army of Ghosts/Doomsday | David Tennant | 2006 |
| The Next Doctor |
David Tennant |
2008 |
SONTARANS
| Story/Episodes | The Doctor | Year |
| The Time Warrior | Jon Pertwee | 1973 |
| The Sontaran Experiment | Tom Baker | 1975 |
| The Invasion of Time | Tom Baker | 1978 |
| The Two Doctors | Colin Baker | 1985 |
| The Sontaran Stratagem/The Poison Sky | David Tennant | 2008 |
ICE WARRIORS
| Story/Episodes | The Doctor | Year |
| The Ice Warriors | Patrick Troughton | 1967 |
| The Seeds of Death | Patrick Troughton | 1969 |
| The Curse of Peladon | Jon Pertwee | 1972 |
| The Monster of Peladon | Jon Pertwee | 1974 |
SILURIANS & SEA DEVILS
| Story/Episodes | The Doctor | Year |
| Doctor Who and the Silurians | Jon Pertwee | 1970 |
| The Sea Devils | Jon Pertwee | 1972 |
| Warriors of the Deep | Peter Davison | 1984 |
NESTENES (AUTONS)
| Story/Episodes | The Doctor | Year |
| Spearhead From Space | Jon Pertwee | 1970 |
| Terror of the Autons | Jon Pertwee | 1971 |
| Rose | Christopher Eccleston | 2005 |
FACE OF BOE
| Story/Episodes | The Doctor | Year |
| The End of the World | Christopher Eccleston | 2005 |
| New Earth | David Tennant | 2006 |
| Gridlock | David Tennant | 2007 |
MACRA
| Story/Episodes | The Doctor | Year |
| The Macra Terror | Patrick Troughton | 1967 |
| Gridlock | David Tennant | 2007 |
MARA
| Story/Episodes | The Doctor | Year |
| Kinda | Peter Davison | 1982 |
| Snakedance | Peter Davison | 1982 |
OGRON
| Story/Episodes | The Doctor | Year |
| Day of the Daleks | Jon Pertwee | 1972 |
| Frontier in Space | Jon Pertwee | 1973 |
OOD
| Story/Episodes | The Doctor | Year |
| The Impossible Planet/The Satan Pit | David Tennant | 2006 |
| Planet of the Ood | David Tennant | 2008 |
SLITHEEN
| Story/Episodes | The Doctor | Year |
| Aliens of London/World War Three | Christopher Eccleston | 2005 |
| Boom Town | Christopher Eccleston | 2005 |
YETI
| Story/Episodes | The Doctor | Year |
| The Abominable Snowmen | Patrick Troughton | 1967 |
| The Web of Fear | Patrick Troughton | 1968 |
Aliens that have appeared once
| Alien | Story/Episodes | The Doctor | Year |
| Dominators | The Dominators | Patrick Troughton | 1968 |
| Draconians | Frontier in Space | Jon Pertwee | 1973 |
| Drahvin | Galaxy 4 | William Hartnell | 1965 |
| Gelf | The Unquiet Dead | Christopher Eccleston | 2005 |
| Haemovore | The Curse of Fenric | Sylvester McCoy | 1989 |
| Krillitane | School Reunion | David Tennant | 2006 |
| Krotons | The Krotons | Patrick Troughton | 1968 |
| Menoptra | The Web Planet | William Hartnell | 1965 |
| Monoid | The Ark | William Hartnell | 1966 |
| Rill | Galaxy 4 | William Hartnell | 1965 |
| Sensorite | The Sensorites | William Hartnell | 1964 |
| Sycorax | The Christmas Invasion | David Tennant | 2005 |
| Terileptil | The Visitation | Peter Davison | 1982 |
| Tharil | Warrior's Gate | Tom Baker | 1981 |
| Vashta Nerada | Silence in the Library/Forest of the Dead | David Tennant | 2008 |
| Voord | The Keys of Marinus | William Hartnell | 1964 |
| Weeping Angel | Blink | David Tennant | 2007 |
| Zarbi | The Web Planet | William Hartnell | 1965 |
| Zygon | Terror of the Zygons | Tom Baker | 1975 |