Suspended animation

Suspended animation was the temporary cessation of a life form's vital functions, often used to transport individuals from one time period to another without ageing.

In 6087, humans placed themselves in suspended animation on the Nerva Beacon in order to survive the solar flares that devastated Earth. (TV: The Ark in Space) Millions of years later, much of humanity was miniaturised and placed in suspended animation on the Ark to survive the long voyage to Refusis II. (TV: The Ark)

Davros was sentenced to be placed in suspended animation as punishment for his crimes. (TV: Resurrection of the Daleks) Tranquil Repose placed dying millionaires and politicians in suspended animation until cures for their conditions could be found. (TV: Revelation of the Daleks)

In 1901, Torchwood Three placed Jack Harkness (who had been buried alive since 27) in cryogenic suspension so he could return to 2009 without crossing his own time stream. (TV: Exit Wounds) In 1918, they placed Tommy Brockless in cryogenic suspension so that he could one day close a fracture in the Cardiff Space-Time Rift. (TV: To the Last Man) Later, Jack placed his brother Gray in cryogenic suspension after chloroforming him when he threatened Cardiff and fatally wounded Jack's teammate, Toshiko Sato. He planned to keep Gray frozen indefinitely until he could find a way to sort out the anger his brother harbored towards him. (TV: Exit Wounds) However, the Torchwood Hub was destroyed when a bomb implanted inside Jack detonated. It is unknown if the cyrogenic chambers of the Hub survived the explosion. (TV: Children of Earth: Day One)

The Seventh Doctor once spent unspecified millions of years in a coma, frozen within a block of ice. Though his clothing had mostly rotted away over the years, his body survived and he recovered fully. (AUDIO: Frozen Time)

In 1893, Winifred Gillyflower used diluted red leech venom to create a chemical form of suspended animation to preserve her followers at Sweetville. (TV: The Crimson Horror)

Non-human use of suspended animation

 * Azal (TV: The Dæmons)
 * Chameleons (TV: The Faceless Ones)
 * Cybermen (TV: The Tomb of the Cybermen, Attack of the Cybermen)
 * Daleks (TV: Planet of the Daleks)
 * Davros (TV: Destiny of the Daleks)
 * Ice Soldiers (TV: "The Snows of Terror")
 * Ice Warriors (TV: The Ice Warriors)
 * Josiah Samuel Smith (TV: Ghost Light)
 * Kane (TV: Dragonfire)
 * Krotons (TV: The Krotons)
 * Kulan (PROSE: Escape Velocity)
 * Malus (TV: The Awakening)
 * The Seventh Doctor (AUDIO: Frozen Time)
 * Silurians and Sea Devils (TV: Doctor Who and the Silurians, The Sea Devils, Warriors of the Deep, The Hungry Earth/Cold Blood)
 * Sleepers (TV: The Mysterious Planet)
 * Veil (TV: The Vault of Secrets)