An alternate timeline is a reality which is different from a parallel universe in that historical events have been altered by a time traveller or other temporal phenomena. These alterations can be prevented from having ever come to pass, although memories of them are usually retained.
| Timeline |
Negated By |
Featured in
|
| Barbara Wright marries Ptolemy I and becomes Queen of Alexandria |
alternate Barbara |
VD: The Book of Shadows
|
| The Dark Matrix terrorises England |
Seventh Doctor and Ace |
PDA: Matrix
|
| Adolf Hitler uses the Timewyrm's power to enable Nazi Germany to conquer Earth |
Seventh Doctor and Ace |
NA: Timewyrm: Exodus
|
| Nancy Grover uses Grold technology to become a goddess |
Third Doctor and Liz Shaw |
MA: The Eye of the Giant
|
| The Power Elite take over Earth |
Third Doctor |
VD: Prisoners of the Sun
|
| Freedom fighters from the 22nd century assassinate Sir Reginald Styles |
Third Doctor and Jo Grant |
DW: Day of the Daleks
|
| Theodore Cassells's experiments lead to a global war which devastates Earth |
Third Doctor |
TVA: A Stitch in Time
|
| The Doctor dies on Dust and regenerates |
Eighth Doctor by destroying Gallifrey (EDA: The Ancestor Cell) |
EDA: Interference - Book One, Interference - Book Two
|
| Sutekh is freed and devastates Earth |
Fourth Doctor and Sarah Jane Smith |
DW: Pyramids of Mars
|
| Melanicus creates the Millennium Wars |
Fifth Doctor, Sir Justin and Shayde |
DWM: The Tides of Time
|
| Silurian Earth |
Destroyed, not negated, by Seventh Doctor |
NA: Blood Heat
|
| The Doctor doesn't leave Gallifrey, allowing many alien races to invade Earth |
Seventh Doctor, Ace and Bernice Summerfield |
DWM: Time & Time Again
|
| Pete Tyler doesn't die and Reapers begin consuming humanity |
Pete Tyler |
DW: Father's Day
|
| Donna's World |
alternate Donna Noble |
DW: Turn Left
|
| Andrea Yates' World |
alternate Andrea Yates |
SJA: Whatever Happened to Sarah Jane?
|
| The Trickster's Earth |
Eddie and Barbara Smith |
SJA: The Temptation of Sarah Jane Smith
|
| The Year That Never Was |
Tenth Doctor, Martha Jones and Captain Jack Harkness |
DW: Last of the Time Lords
|
| Ship erases Sarah Jane Smith, Luke Smith and Clyde Langer |
Adam Lloyd |
SJA: The Mad Woman in the Attic
|
| Humans don't evolve and Earth is a Tractis colony known as Paratractis |
Eighth Doctor, Sam Jones, Jo Grant |
EDA: Genocide
|
| The Doctor and his companions become exhibits in the Moroks' Space Museum |
First Doctor, Ian Chesterton, Barbara Wright, Vicki |
DW: The Space Museum
|
| Humans evolve into Haemovores |
Seventh Doctor and Ace |
DW: The Curse of Fenric
|
| Daleks undergo the Mutant Phase |
Dalek Emperor |
BFA: The Mutant Phase
|
| The Knights of Velyshaa conquer Gallifrey |
Fifth Doctor, Sixth Doctor, Seventh Doctor, the Temperon |
BFA: The Sirens of Time
|
| The Nazis win World War II after a piece of laser technology is left at Colditz Castle |
Alternate Eighth Doctor and Elizabeth Klein (Inadvertantly) |
BFA: Colditz
|
| The Progenitor Daleks repopulate Skaro and exterminate humanity to extinction |
Eleventh Doctor and Amy Pond |
VG: City of the Daleks
|
| The Time Field erases pieces of History, Amy Pond's parents Augustus and Tabetha fall into the crack and are erased from reality, leaving Amy to be raised by her Aunt Sharon instead. Later Rory Williams is lost to the Crack as well. Many other worlds are affected by the cracks, caused by the TARDIS exploding. The cracks, there changes and everything that happened because of them are erased when the Doctor pilots the Pandorica into the heart of the explosion, reseting the universe and timeline. |
Eleventh Doctor and Amy Pond |
DW: The Big Bang
|
