Fire extinguisher Fire extinguishers were devices used to put out fire s . In some situations they could also be used as makeshift weapons . Common usage . The Doctor and his friends often used fire extinguishers to put out fires — not a few times on board the TARDIS herself . Early evidence of fire extinguishers on board the TARDIS was seen when Nyssa had to contain the fire caused by her sonic destruction of the Terileptil android . A small model usable by a single hand was kept in a wicker basket just outside her bedroom . ( TV : " The Visitation " ) The Eighth Doctor later used a fire extinguisher in the TARDIS library when a page from his copy of " The Strand " caught on fire , ( PROSE : " The Bodysnatchers " ) and the Tenth ( TV : " The Runaway Bride " ) and Eleventh Doctor s ( TV : " The Angels Take Manhattan " ) sprayed an extinguisher into the console room after particularly rough landings . The Third Doctor ' s UNIT laboratory was also equipped with fire extinguishers . Upon her first meeting with the Doctor , Jo Grant used one when she saw smoke emanating from the Lamadine steady state micro welding the Doctor was performing on the TARDIS dematerialisation circuit . The Doctor berated her for this as she had ruined his work . ( TV : " Terror of the Autons " ) In the 41st century , Peri used a fire extinguisher on Zixlyr ' s ship . ( AUDIO : " The Bride of Peladon " ) A Dalek on Survey Ship Sigma replaced its arm with a fire extinguisher to put out a fire . ( COMIC : " The Dalek Project " ) The Doctor invented a fire extinguisher which produced eighty times more foam than normal extinguishers . He used it to put out a fire from a Bunsen burner on the TARDIS console . ( COMIC : " Bad Vibrations " ) As weapon . Fire extinguishers could be used more offensively , however . The First Doctor , for instance , used a fire extinguisher against a dragon which lived in the forest outside the Pied Piper ' s castle . ( COMIC : " Challenge of the Piper " ) Ben and Polly used adapted fire extinguishers to spray Cybermen with a chemical cocktail designed to kill them . ( TV : " The Moonbase " ) On a parallel Earth , the Third Doctor , Greg Sutton and the Alastair Lethbridge - Stewart used fire extinguishers against the Primord s . When the Doctor returned to his own universe , he used a fire extinguisher against the Primord John Bromley , killing him . He and Greg Sutton later used fire extinguishers against the mutated Professor Eric Stahlman , killing him . ( TV : " Inferno " ) In San Francisco , the Eighth Doctor sprayed with a fire extinguisher , blinding him long enough for him and Grace Holloway to escape . ( TV : " Doctor Who " ) The Ninth Doctor once found that members of the Slitheen family were briefly stunned by the chemicals in an ordinary British fire extinguisher . ( TV : " World War Three " ) Clyde Langer and Rani Chandra used fire extinguishers to temporarily disable nanoform s . ( TV : " Prisoner of the Judoon " ) On Világ , the Sixth Doctor and Justice Rossiter used fire extinguishers against hospital patients who had been given transfusions of Killoran DNA . ( AUDIO : " Thicker Than Water " ) The Sixth Doctor used a fire extinguisher to break the window of a steam room to rescue Peri , who then used it to cool herself off . ( AUDIO : " Year of the Pig " ) Alice Obiefune sprayed ARC with a fire extinguisher , blinding him long enough for her and John Jones to escape . ( COMIC : " The Sound of Our Voices " ) When one of the Umbra ' s tendril s caught Clara Oswald on board the " Pollyanna " , Sandy Tanaka used a fire extinguisher against it to make it release Clara . ( COMIC : " The Eye of Torment " ) Other species were perhaps more susceptible to the effects of fire extinguishers . Clockwork Droid s , ( TV : " The Girl in the Fireplace " ) Silurian s , ( TV : " The Hungry Earth " ) and people like Harvey who had been converted into a Dalek puppet by the nanocloud ( TV : " Asylum of the Daleks " ) could all be rendered inactive for several hours by the use of an ordinary fire extinguisher . Sometimes , however , fire extinguishers proved ineffective weapons . Sarah Jane Smith first sprayed Odd Bob the Clown with a fire extinguisher , then hit him with it , but neither action had any effect . ( TV : " The Day of the Clown " ) In some situations , extinguishers were used more as projectiles – objects to be simply lobbed at a problem . When Brian Hughes locked the doors of the Pinehill Crest Hotel , for instance , Ace tried throwing a fire extinguisher to break them , only to find that they were made of safety glass . ( AUDIO : " The Shadow of the Scourge " )