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"An Unearthly Child"
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Period: to
First Doctor
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Debut of the Daleks
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Debut of the Mondasian Cybermen
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Period: to
Second Doctor
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Debut of the Second Doctor ("The Power of the Daleks")
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"The Tomb of the Cybermen"
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Debut of the Robot Yeti
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Debut of the Ice Warriors
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Debut of the Time Lords
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Debut of the Autons
-
Period: to
Third Doctor
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Debut of the Silurians
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Debut of Roger Delgado as the Master
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"The Three Doctors" (10th Anniversary special)
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Debut of the Sontarans
-
Period: to
Fourth Doctor
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Debut of the Fourth Doctor ("Robot")
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Debut of Davros
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Debut of the Zygons
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Debut of the Black Guardian
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"City of Death"
-
Debut of Anthony Ainley as the Master
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"Logopolis"
-
Period: to
Fifth Doctor
-
Debut of the Fifth Doctor ("Castrovalva")
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Sonic Screwdriver Destroyed
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"Earthshock"
-
"The Five Doctors" (20th Anniversary special)
-
"Resurrection of the Daleks"
-
"The Caves of Androzani"
-
Period: to
Sixth Doctor
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Debut of the Sixth Doctor ("The Twin Dilemma")
-
Debut of the Rani
-
"The Two Doctors"
-
"Revelation of the Daleks"
-
Period: to
18-Month Hiatus
-
Debut of the Valeyard
-
Period: to
Seventh Doctor
-
"Remembrance of the Daleks"
-
"Survival"
-
"Dimensions in Time" (Children in Need special)
-
"Doctor Who" (TV movie)
-
Period: to
Eighth Doctor
-
"The Curse of Fatal Death" (Red Nose Day special)
-
BBC announces return of Doctor Who
-
Christopher Eccleston announced as the Ninth Doctor
-
Period: to
Ninth Doctor
-
Christopher Eccleston announces departure after Series 1
-
David Tennant announced as the Tenth Doctor
-
Revival of the Daleks
-
Period: to
Tenth Doctor
-
"The Christmas Invasion" (2005 Christmas special)
-
Debut of the Cybus Cybermen
-
"Doomsday"
-
"The Runaway Bride" (2006 Christmas special)
-
Debut of the Weeping Angels
-
Debut of John Simm as the Master
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"Time Crash" (Children in Need special)
-
"Voyage of the Damned" (2007 Christmas Special)
-
Debut of the Adipose
-
Revival of the Sontarans
-
Revival of Davros
-
Doctor Who Prom 2008
-
David Tennant announces departure after 2009
-
"The Next Doctor" (2008 Christmas special)
-
Matt Smith announced as the Eleventh Doctor
-
"Planet of the Dead" (2009 Easter special)
-
Eleventh Doctor's costume revealed
-
"The Waters of Mars" (2009 Autumn special)
-
"The End of Time" (2009 Christmas special)
-
Period: to
Eleventh Doctor
-
New Sonic Screwdriver
-
New Dalek Paradigm
-
Revival of the Silurians
-
Doctor Who Prom 2010
-
"A Christmas Carol" (2010 Christmas special)
-
Debut of the Silence
-
Revival of the Mondasian Cybermen
-
"The Doctor, the Widow, and the Wardrobe" (2011 Christmas special)
-
"Asylum of the Daleks"
-
New TARDIS Console Room
-
"The Snowmen" (2012 Christmas special)
-
Debut of Richard E. Grant as the Great Intelligence
-
Revival of the Ice Warriors
-
Debut of John Hurt as the War Doctor
-
Matt Smith announces departure after 2013
-
Doctor Who Prom 2013
-
Peter Capaldi announced as the Twelfth Doctor
-
"The Night of the Doctor" (Minisode)
-
"An Adventure in Space and Time" (Docudrama)
-
"The Day of the Doctor" (50th Anniversary special)
-
"The Five(ish) Doctors Reboot" (Comedy homage)
-
"The Time of the Doctor" (2013 Christmas special)
-
Period: to
Twelfth Doctor
-
Twelfth Doctor's costume revealed
-
Debut of the Twelfth Doctor ("Deep Breath")
-
Peter Capaldi announces departure after 2017