The Doctor crashes the TARDIS by the home of a young girl, only to meet her again 12 years later as a woman -- and has just 20 minutes to save the planet from an escaped prisoner and the alien warden that is hunting it.
Summoned to World War II London by Winston Churchill, the Doctor discovers Daleks fighting on the side of the Allies -- certain they have a hidden agenda that could spell destruction for the Earth.
The Doctor and his friends flee from the deadly Weeping Angels into the wreckage of a crashed ship and into its forest vault, where Amy is threatened also from an Angel inside of her.
A romantic trip to sixteenth century Venice put Amy and Rory in danger from a school of alien fish creatures, who are posing as vampires and converting the city's women into their own kind.
Amy, Rory, and the Doctor must decide between two versions of reality that seem equally real -- the TARDIS or a sleepy town where Amy is pregnant -- with the self-proclaimed "Dream Lord" threatening their deaths if they choose wrong.
The Doctor and his companions visit a family drilling operation in the year 2020, where a group of hostile reptilians is drilling upward toward the surface ... and now taking hostages.
The Doctor and Amy pay a visit to Vincent Van Gogh, the only man who can see a dangerous and invisible creature that his stalking the streets of his village.
The Doctor settles in as a flat mate to an ordinary man with girl problems, in order to study a hostile alien threat upstairs that is preventing the TARDIS from materializing.
A terrible warning from River Song draws the Doctor to Stonehenge in the second century, where the most feared races in the galaxy converge upon the secret of the Pandorica -- a secret prison that is now opening.
With the Doctor trapped and reality collapsing all around them, it's up to Rory and Amy to rescue the Time Lord and save the universe -- starting with a 7-year-old girl with a crack in her wall.