2010s The 2010s was the second decade of the 21st century when alien encounters and other unusual events continued on Earth , which had been common since the previous decade . Major events . In 2011 , Miracle Day happened , halting death in all humans , at least barring extreme measures , drastically changing and challenging the social and cultural conventions on Earth during the period of the " miracle " . ( TV : " The New World " , " The Categories of Life " ) On one day , tree s mysteriously grew across all the land on Earth . As the Twelfth Doctor discovered , it was a defence mechanism to protect the planet from the threat of a solar flare with excess oxygen . Once the solar flare struck and the worldwide forest ' s work of preservation succeeded , it promptly regressed to its former state . ( TV : " In the Forest of the Night " ) In 2016 , the K1 robot was rebuilt by UNIT . It went on a rampage in downtown London , destroying the London Eye . The Twelfth Doctor was able to stop it with his sonic screwdriver . ( COMIC : " Robo Rampage " ) Notable Alien incursions on Earth . One Dalek that survived the Last Great Time War was passed from collector to collector and was eventually imprisoned in the Vault near Salt Lake City by 2012 . Nicknamed the Metaltron by Henry van Statten , it was accidentally released and began murdering everyone inside the Vault . As its genetic make - up began changing , it was overwhelmed from the emotions it had taken from Rose Tyler and was forced to commit suicide . ( TV : " Dalek " ) Along with several children on Dame Kelly Holmes Close , the crowd at the 2012 London Olympic Games stadium were abducted by an Isolus to keep it from being lonely . The Isolus returned them when Rose Tyler used the heat and love the Olympic Torch represented to recharge the Isolus pod . ( TV : " Fear Her " ) A make - up artist and a bus driver were converted by the Dalek s into puppets in order to respectively take Amy Pond and Rory Williams to the Parliament of the Daleks . ( TV : " Asylum of the Daleks " ) In 2013 , the robot Spoonhead s captured human " soul s " via Wi - Fi to feed to the Great Intelligence in an operation spearheaded by Miss Kizlet from the Shard . The Eleventh Doctor stumbled upon this and put a stop to it as well as forcing Kizlet to release all the trapped mind s from the datacloud . It was here where Clara Oswald met the Doctor and joined him as his companion . ( TV : " The Bells of Saint John " ) After figures from the Under - Gallery ' s stasis cube paintings had disappeared along with the glass of the paintings being smashed outwards , UNIT summoned the Eleventh Doctor under the instructions of Queen Elizabeth I from the 16th century . The figures in the paintings were actually Zygon s who hid themselves inside in 1562 while waiting for the Earth to become more suitable for invasion . UNIT had accidentally airlifted the TARDIS to the National Gallery not knowing the Doctor was still inside . The Zygons later took on the biological forms of Kate and UNIT scientists McGillop and Osgood and tried taking over the Black Archive . Trying to stop them , Kate set off the countdown for a nuclear warhead , which her duplicate was unable to cancel , but the Tenth , Eleventh and War Doctor s broke into the Black Archive , erasing the minds of the Zygons and the real Kate , McGillop and Osgood and making them forget which was " real " and allowing both Kates to agree to cancel the detonation . The Doctors refused to return the memories of the two parties until they agreed to a peace treaty . ( TV : " The Day of the Doctor " ) In 2014 ( COMIC : " The Fractures " ) , a lone Skovox Blitzer was lost on Earth , attracted to the area around Coal Hill School by the high number of artron energy emissions . It was detected by the Twelfth Doctor , who trapped it and projected it into the Time Vortex using chronodyne generator s . Danny Pink had inadvertently turned off some of the generators and the Blitzer was not projected as far into the future as the Doctor had planned . Before it reappeared , he developed a device that would make his orders sound as though they were coming from one of the robot ' s superiors . With the assistance of Clara and Danny , he again trapped it , and ordered it to deactivate . He then left it drifting in space and told it to enjoy its war . ( TV : " The Caretaker " ) The organisation 3W , ostensibly formed by Dr Skarosa to create a place to house the consciousness of the deceased , was discovered by the Twelfth Doctor and Clara , ( TV : " Dark Water " ) as well as being investigated by UNIT after an anonymous tip . ( TV : " Death in Heaven " ) It was discovered the the organisation was an elaborate deception orchestrated by , who used a Matrix data slice to create the Nethersphere , where the minds of the recently deceased would be uploaded and converted into an army of Cybermen . This army emerged from 3W ' s base in St Paul ' s Cathedral ( TV : " Dark Water " ) with UNIT soon arriving on the scene led by Kate Stewart . Capturing both the Doctor and Missy , UNIT brought them both aboard their presidential aircraft , Boat One , where the Doctor was inaugurated as an emergency President of Earth . At this time , cloud s appeared over the world ' s major cities , rain ing cyber - pollen on the graveyard s to convert the dead into Cybermen . These Cybermen , now possessing the ability to fly , attacked Boat One resulting in its destruction . Offered control of the Cybermen army by Missy , the Doctor refused to submit to her claim that he was like her , he handed it over to the converted Danny Pink , who rallied all the Cybermen to self - destruct , taking the pollen clouds with them . The Doctor was saved the obligation of killing Missy by one remaining Cyberman , a converted Alistair Gordon Lethbridge - Stewart . ( TV : " Death in Heaven " ) In 2015 , Missy used a time stop to freeze all planes airborne across the globe , amounting to 4165 , in order to gain the attention of Clara and UNIT so they could help her find the Doctor . This brief worldwide phenomenon ended when Missy released the planes at Clara ' s request in return for her co - operation . ( TV : " The Magician ' s Apprentice " ) That September , the Prime Minister of the United Kingdom , Daniel Claremont , was revealed on live television to be a Sea Devil . His race began an attack on Scotland , but were quickly stopped by the Twelfth Doctor ; who destroyed their base on Raven ' s Isle . ( COMIC : " Clara Oswald and the School of Death " )