The Doctor subjects himself to a dangerous experiment so that he can access the memories of the dead Wirrn Queen. Elsewhere, the larvae Wirrn are pupating into their adult form.
- Drama
- Year 1975
- 24 min
Tom Baker begins his seven glorious years in the role by battling a homegrown robotic menace, before whisking his companions first to mankind’s far future, and then the Daleks’ past.
- Year: 1974
