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"
Doctor Who – The Ultimate Adventure and two days later Colin Baker, who had played the Sixth Doctor, took over the lead until the run ended on 19 August. The play was adjusted accordingly to conform with the Sixth Doctor's persona. The story involves an alliance between the Daleks and the Cybermen who have joined forces to kidnap the American Envoy and ruin a peace conference on Earth. The Doctor's companion is a Frenchman named Jason. After failing to stop the Cybermen from taking the US Envoy from a nightclub, they are joined by a singer named Crystal, who works there. Following a trip to Altair