![](https://image.tmdb.org/t/p/original/dCI2HFGzuBctZLNQvYQGsLp2seq.jpg)
![](https://image.tmdb.org/t/p/w342/xinqAmYrZ1TEwowcQhgTkZVtVE0.jpg)
The Mysterious Planet (3)
The Doctor escapes to rejoin Peri on the surface but shortly becomes the prisoner of a surface-dwelling tribe called The Free. Ravalox isn't Ravalox after all, but before the Doctor can learn much more an irresistible agent from UK Habitat comes to fetch him back.
![](https://image.tmdb.org/t/p/w300/lg2ZQpxhWLdtkeBUwfqzJ1HpU28.jpg)
![](https://image.tmdb.org/t/p/w300/unhJQWcgh6FPlyCaKXTnSLT1DrJ.jpg)
![](https://image.tmdb.org/t/p/w300/4DESj7hC2SRQdwNg2F22xuFuukj.jpg)
![](https://image.tmdb.org/t/p/w300/h5VdQxpKfS7nKKWHwY55CN0Sm7E.jpg)
Other episodes for this season
![The Mysterious Planet (1)](https://image.tmdb.org/t/p/w300/jWbg3yeJcnK15gQT0c54CIVjSr9.jpg)
![The Mysterious Planet (2)](https://image.tmdb.org/t/p/w300/qJ0H7GQojO18xgeHvEjGidZa8jz.jpg)
![The Mysterious Planet (3)](https://image.tmdb.org/t/p/w300/dCI2HFGzuBctZLNQvYQGsLp2seq.jpg)
![The Mysterious Planet (4)](https://image.tmdb.org/t/p/w300/8wa4iC1g7LNPZ4MLV3WdUCNv71D.jpg)
![Mindwarp (1)](https://image.tmdb.org/t/p/w300/8B36LEpmj0i01aexMx98d519iGw.jpg)
![Mindwarp (2)](https://image.tmdb.org/t/p/w300/atspLqUZW3diA71Crd7pIjAHyth.jpg)
![Mindwarp (3)](https://image.tmdb.org/t/p/w300/dIWhpHll1H5xoXVTKbApkELH6Mo.jpg)
![Mindwarp (4)](https://image.tmdb.org/t/p/w300/bL2j36UVjO08RdJZLLaPb3q3ruT.jpg)
![Terror of the Vervoids (1)](https://image.tmdb.org/t/p/w300/qu70E57HBphXwZSjRNWWd5yj4Vv.jpg)
![Terror of the Vervoids (2)](https://image.tmdb.org/t/p/w300/58TAW0OH7i8B3NzJc5tPIdoYVA3.jpg)
![Terror of the Vervoids (3)](https://image.tmdb.org/t/p/w300/giAxQA8eBb4NrLoCoRQpNoVfqwL.jpg)
![Terror of the Vervoids (4)](https://image.tmdb.org/t/p/w300/dEoRisWRstCCwowvJZPikyO0dak.jpg)
![The Ultimate Foe (1)](https://image.tmdb.org/t/p/w300/zXgK8dliz4FiTWXUOs2CGztDhLo.jpg)
![The Ultimate Foe (2)](https://image.tmdb.org/t/p/w300/o1NDl2yL0kxXRtk6BTxLBDxRWaS.jpg)