From the Daleks to the Weeping Angels to The Silence, Doctor Who has battled enemies scary and scarier. Take a look at some of his most fearsome foes during his 50 years on TV, some that will make an encore appearance in the 50th anniversary special "The Day of the Doctor" on Nov. 23. Leave a comment and tell your favorites, or which villain you think is the Doctor's greatest adversary.
Curt Wagner, RedEye's Show Patrol
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The Daleks were first introduced in 1963 in First Doctor William Hartnell's second episode. They were an instant hit and still are considered the Doctor's greatest foe by many. — BBC, Nov. 22, 2013
The Daleks appear to be robots, but their machine-like casing protects members of an alien race call the Kaleds that suffered mutations during a nuclear war. — BBC, Nov. 22, 2013
The Daleks almost constantly shout "Exterminate!" as they try to destroy everything and everyone in their way. — BBC/Adrian Rogers, July 8, 2006
In the 2013 episode "Asylum of the Daleks," the Eleventh Doctor (Matt Smith) was captured by the Daleks and sent to the Asylum, a planet were insance Daleks are imprisoned. — Adrian Rogers / BBC, April 25, 2012
Kaled scientist Davros, shown here with the Fourth Doctor (Tom Baker), encased his race in the Dalek casings and convinced them that all other races were inferior. — BBC, Nov. 22, 2013
Davros and the Daleks wiped out the Time Lords in a mutually destructive war that left just two Time Lord survivors, the Doctor and the Master. They will return in the 50th anniversary special, "The Day of the Doctor."
Pictured: Julian Bleach as Davros. — BBC, Nov. 22, 2013
John Simm played The Master, a rogue Time Lord and the Doctor's greatest nemesis, from 2007-2010. — BBC, Nov. 22, 2013
The Master has been played by several actors, including Roger Delgado from 1971-73 (clockwise from left), Anthony Ainley from 1981-89, Peter Pratt and Geoffrey Beevers in 1981 (not sure which that is), Eric Roberts in 1996 and Derek Jacobi in 2007. — Handout, Nov. 22, 2013
The Cybermen first appeared in the 1966 episode "The Tenth Planet" as the last foe faced by William Hartnell's First Doctor, who had to regenerate as a result of his battle with them. — BBC, Nov. 22, 2013
The Second Doctor (Patrick Troughton) froze the Cybermen in their own tomb in the 1967 episode "The Tomb of the Cybermen." Obviously, they didn't stay frozen. — BBC, Nov. 22, 2013
Since their first appearance, the Cybermen have become one of the Doctor's most popular, fearsome foes, battling nearly every Doctor in the 50-year history of the show. — Adrian Rogers / BBC, Nov. 8, 2012
The cyborg race Cybermen might have been the template for the Borg in "Star Trek: The Next Generation." The Cybermen turn members of other races into new cyborgs. — Adrian Rogers / BBC, Nov. 20, 2012
The Weeping Angels first appeared in the 2007 episode "Blink," quickly becoming the first modern "Doctor Who" foes to rival the popularity of many classic villains. — Adrian Rogers / BBC, Nov. 22, 2013
The terrifying, ancient race of statuesque beasties called the Weeping Angels move only when they go unseen, grabbing victims when they turn their backs on the Angels or blink. The Angels feed off a person's time energy after zapping them into the past. — Adrian Rogers / BBC, Nov. 22, 2013
The Silurians were first introduced in the 1970s and are technologically advanced humanoid reptiles who ruled Earth in prehistoric times. Fearing a cataclysmic event, they went into hibernation beneath the Earth's surface.
These Silurians are from the 1970s (left0 and 1980s. — BBC, Nov. 22, 2013
The Eleventh Doctor faced the Silurians in the 2010 two-parter "The Hungry Earth/Cold Blood" when an mining operation woke them up on Earth in 2020. — BBC, Nov. 22, 2013
In the 2012 Christmas special "the Snowmen," Silurian warrior Vastra was Doctor Who's friend and ally. — Adrian Rogers / BBC, Aug. 7, 2012
The shape-shifting Zygons have appeared in just one "Doctor Who" episode so far--"Terror of the Zygons" in 1975. — BBC, Nov. 22, 2013
The Zygons return to the Whoniverse in the 50th anniversary special, "The Day of the Doctor." — Screen grab, Nov. 22, 2013
The Sontarans are a ruthless warrior race bred to fight. They first appeared in 1973 and have been seen throughout "Doctor Who" history. — BBC, Nov. 22, 2013
Sontaran Commander Strax (Dan Starkey, center) assisted Silurian Madame Vastra (Neve McIntosh, left), Jenny Flint (Catrin Stewart) and the Doctor in the 2012 Christmas special. — ADRIAN ROGERS / BBC, Aug. 16, 2012
The Autons were basically store mannequins made into artificial life forms by the Nestene Consciousness. They first appeared in the 1970 episode "Spearhead from Space" with Third Doctor Jon Pertwee. — BBC, Nov. 22, 2013
The Ninth Doctor, Christopher Eccleston, and his companion Rose Tyler (Billie Piper) faced the Autons in the 2005 episode "Rose." — BBC, Nov. 22, 2013
The creepy modern foe The Silence first appeared in "The Impossible Astronaut." The Silence exist in secret because as soon as someone sees them, that person forgets about them. They have changed galactical events through suggestion. — BBC, Nov. 22, 2013
Classic "Doctor Who" foes the Ice Warriors were revived in the 2013 episode "Cold War" when they attacked a Russian submarine. — Adrian Rogers / BBC, Sept. 1, 2028
Sil (Nabil Shaban)looked like a slimy slug, but he the Galatron Mining Corporation rep turned the Sixth Doctor's companion Peri into an avian creature in the 1985 episode "Vengeance on Varos." — BBC, Nov. 22, 2013
Sutekh (Gabriel Woolf) was an Osirian who battled the Fourth Doctor in the 1975 episode "Pyramids of Mars." — BBC, Nov. 22, 2013
