The rescued survivors reflect on their ordeal, looking back on the highs and lows.

Just as the group are preparing to be rescued, they face their toughest challenge yet.

The group come face to face with the abomination - a ferocious and deadly freak zombie.

Five days into their ordeal, the group are growing suspicious of a recent arrival.

The group are gripped by fear, tension and paranoia. Three strangers enter the compound and look for help and refuge.

As some of the group head out for supplies to repair damage, three others become trapped.

An electrical storm late at night causes a security malfunction at the base.

Reality game show where a group of survivors of a zombie outbreak take refuge in an abandoned shopping centre. Anyone still alive in seven days is rescued by an army helicopter.