Companion (Doctor Who) "Face the Raven", but in a subsequent episode ("Hell Bent") her time stream is frozen at the moment of death by the Time Lords so that they can interrogate her about the Hybrid; the Doctor takes advantage of this to save her life, but she remains technically neither alive nor dead, does not age or have a pulse. After her departure as a companion of the Twelfth Doctor, she teams with the immortal Ashildr and travels in a stolen TARDIS. Other companions died in alternate timelines or alternate lives. "Brigade Leader" Alistair Lethbridge-Stewart, "Section Leader" Liz Shaw, and "Platoon Leader"
Lady's companion complicated by the collapse in the supply of working-class servants due to changing labour market conditions and social attitudes, so that companions are increasingly asked to perform domestic duties which they find humiliating. Along with the growing keenness of young middle-class women to take advantage of the broadening range of options available to them to have a career, this degradation of the status of the companion represents the closure of the era of the lady's companion in the United Kingdom. Lady's companion A lady's companion was a woman of genteel birth who lived with a woman of rank or wealth