Series 4 Episode 8 airs at 9pm on Sunday 25th March on BBC Three and sees the Old Ones intent on taking over the world by force.

> Order the Series 4 DVD on Amazon.

Watch the prequel, in which the Old Ones have arrived and the first thing on Snow’s agenda is to learn all he can about Annie, Hal and Tom before he and Milo can prepare for the beggining of the end…

Are you looking forward to the finale? Let us know below…