| TV Episode | United Kingdom | Colour | Adventure, Drama, Family
| Stars: Peter Davison, Richard Todd, Nerys Hughes
| S19 E10 | 2nd February, 1982
Sanders leaves the dome and receives a strange box from two female Kinda. Hindle begins losing his mind and has the Doctor, Adric and Todd arrested. Meanwhile, the Mara takes over Teganโs body
The adventures of the Doctor, a Time Lord who travels with his companions through time and space in the TARDIS, regenerating into a new persona when near death.
The TARDIS lands on the planet Deva Loka; Nyssa remains behind while the others explore. Tegan falls asleep under wind chimes and becomes possessed by an evil force, the Mara.