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Episode guide

Spooks: Series 4

Poster for Spooks Season 4

10 episodes · premiered Sep 12, 2005

The group are still reeling after the shocking events at the end of the last series. Now rising star Zafar joins the team as they set out to become even stronger in their battle to safeguard the nation. When London comes under terrorist attack Adam is forced to make an impossible decision, Harry must deal with blackmail threats from an old flame, and Fiona faces her own demons when she goes undercover in Syria.

Spooks: cast and where to watch

  1. Episode 1: The Special (1) Sep 12, 2005 · 57m When a devastating bomb explodes in central London, causing multiple deaths, a terrorist group with a hatred for human life claim responsibility. With their leader facing extradition, the…
  2. Episode 2: The Special (2) Sep 13, 2005 · 59m Zafar and Adam race against the clock to uncover the latest bomb. As a new ultimatum is issued and Tash mysteriously disapears, the team is forced to deal with the possibility of a mole…
  3. Episode 3: Divided They Fall Sep 22, 2005 · 59m Far-right political party The British Way is threatening democracy so Adam and Fiona go undercover to infiltrate and destroy its campaign.
  4. Episode 4: Road Trip Sep 29, 2005 · 59m Adam infiltrates a truck carrying illegal immigrants across Europe in order to stop a would-be terrorist.
  5. Episode 5: The Book Oct 6, 2005 · 58m A neo-conservative group murder an ex-minister to cover up his past and then they hunt down the journalist who is threatening to blow the story and is under MI5 protection.
  6. Episode 6: The Innocent Oct 13, 2005 · 58m MI5 suspect a terrorist is planning an attack from his prison cell. Guest stars Jimi Mistry.
  7. Episode 7: Syria Oct 20, 2005 · 59m The Syrian foreign minister tries to establish subversive contacts with MI5 at the opening of a cultural centre in London. Fiona is desperate to lead this mission and must confront her…
  8. Episode 8: The Russian Oct 27, 2005 · 59m An old British traitor is called in to infiltrate a Russian firm suspected of stealing secrets from GCHQ.
  9. Episode 9: The Sting Nov 3, 2005 · 58m Harry upsets the CIA by stopping an extradition to the USA.
  10. Episode 10: Diana Nov 10, 2005 · 59m A former officer is convinced that MI5 killed Princess Diana and is determined to force the team to prove it.