A solar tsunami sends the TARDIS crew to an acid mining factory in the 22nd century, where a small team of workers come under attack from their doppelgangers.
Calificación de episodios
Reparto del episodio
53
29
16
- Amy Pond
- The Doctor
- Rory
- Jimmy Wicks
- Buzzer Edwards
- Jennifer Lucas
- Miranda Cleaves
- Dicken
- Eye Patch Lady