Spooks: Code 9 Series 1 Episode 2 Hack ( Air Date 2008-08-10 ) Genre Mystery, Drama category. Overview "Hackers utilise the state Emergency Communications System to broadcast what they claim to be footage of dead prison inmates. When MI5 denounces the broadcast as a hoax, terrorists set off a series of false alerts. Charlie suspects that the MI5 activity is related to the London bombing.".