Conspiracy theory

Donna Noble investigated Adipose Industries after finding conspiracy theories regarding it on the internet. (TV: Partners in Crime)

Clive Finch found records of the Doctor in conspiracy theories. (TV: Rose)

When Major Jenny Maguire asked if it would be to insert misinformation onto the UNIT website as opposed to changing the passwords following the discovery that Mickey Smith was using www.whoisdoctorwho.co.uk to release sensitive information in 2006, Sergeant A. Frederick told her, scoldingingly, that she "[didn't have] time to knock up a load of fake conspiracy theories and fudged reports about aliens". (PROSE: Rose Tyler)