![](https://image.tmdb.org/t/p/original/whzbvaLyn1XU2L73UQDPyNJ2kn1.jpg)
![](https://image.tmdb.org/t/p/w342/bMd4T647b9YdkbQvULyndBNV8uL.jpg)
Critical Mass
Insp. Monroe is skeptical but cautious when a young woman, Emma Crawford, rings Sun Hill and says she thinks her boyfriend may have hidden a bomb in the station. At Emma's flat, Ackland and Stamp find bomb-making equipment and a faxed warning due to be sent on a timer. PC Carver discovers a suspiscious paint can hidden in the ceiling - enough to trigger the evacuation of the station and the calling in of the Bomb Squad. The suspect, Ben Wallace, has been in trouble with the police before, and he is apprehended by DCI Meadows when he returns to the flat. As the Squad begin defusing the bomb, Ackland and Stamp visit Ben's parents whom he despises. The bomb is dismantled and the station declared safe, but Ackland and Stamp watch in horror as Ben's father is killed by a car bomb planted by his son.
![](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![](https://image.tmdb.org/t/p/w300/iTccszzHWk0uV3opwgK40J9Y0hL.jpg)
![](https://image.tmdb.org/t/p/w300/2V05AQspFJbpsBZV97XXuNYFFmV.jpg)
Other episodes for this season
![Long Term Investment](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Chasing Shadows](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Follow Through](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Walking On Water](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![The Wrong Horse](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![No Love Lost](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Pond Life](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Murder, What Murder?](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Age Of Chivalry](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Slinging Mud](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Under Duress](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Sleeping With The Enemy](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Badlands](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Eyes Everywhere](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Yesterday's Hero](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![On Air](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![To Catch A Cobra](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Weekends Are For Wimps](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Piggy In The Middle](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Sex Lies & Videotape](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Out & About](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Kiss Chase](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![On The Road](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Pressure Point](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Look Away Now](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![A Question Of Trust: Part I](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![A Question Of Trust: Part II](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![True Lies](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Back To Basics](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Makeover](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Tinderbox](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Set Up](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Lone Ranger](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Old Flame](https://image.tmdb.org/t/p/w300/vEAQYQ62Oj2fU0OJyLyLny7N9Ga.jpg)
![Push It](https://image.tmdb.org/t/p/w300/4CuWW4nSdHmlz8gkEVQJwPs9ntG.jpg)
![Kiss Off](https://image.tmdb.org/t/p/w300/eUyW7YfawHkZmYQwXaCgE5MRHo.jpg)
![Foreign Body](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Borderline](https://image.tmdb.org/t/p/w300/9VuiYrdxTOScgSTk247Fsun6G6u.jpg)
![Confessions Of A Zookeeper](https://image.tmdb.org/t/p/w300/vCRh2GYR82lgH9fFpUtyAN2px0z.jpg)
![Pillow Talk](https://image.tmdb.org/t/p/w300/AozSlDzcux4rQRCVSonqtAIPQ2P.jpg)
![Heavy Plant Crossing](https://image.tmdb.org/t/p/w300/2wEkgLcjJmvI6ZvB9NhAbBbcSJj.jpg)
![Good Relations](https://image.tmdb.org/t/p/w300/bxorVKyTlu4hXLxxINPtpSeIpGD.jpg)
![Big Fish](https://image.tmdb.org/t/p/w300/8qpEjmJ6GH0pPzNxYLLfSiY0aXJ.jpg)
![Taxed](https://image.tmdb.org/t/p/w300/c0iRyp1zXD0UjljuwujkKCozrub.jpg)
![Cracked Up](https://image.tmdb.org/t/p/w300/5hphOjudB1gPQ2SAVaHJZAmESdi.jpg)
![Wedded Bliss](https://image.tmdb.org/t/p/w300/xcXAUqHQQhBcSWnd4dYSqOsyP4I.jpg)
![Lucky Jim](https://image.tmdb.org/t/p/w300/6qK79mLc8aaQ0Txg0dNV9CtPXZg.jpg)
![Screwdriver](https://image.tmdb.org/t/p/w300/dtwbcFsysDTgx5esU7D7uQMvgdU.jpg)
![Inside Out](https://image.tmdb.org/t/p/w300/wkchbyJQ1mICr4EuzPHcMKggcj9.jpg)
![Critical Mass](https://image.tmdb.org/t/p/w300/whzbvaLyn1XU2L73UQDPyNJ2kn1.jpg)
![Ring A Ring O Roses](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![The Only Way Is Up](https://image.tmdb.org/t/p/w300/9NLgTrZ99EfIwK7xtmi6mEsWcc2.jpg)
![Rock Bottom](https://image.tmdb.org/t/p/w300/lsrQTcAdEPnwVYPXvVwgiFtKPfz.jpg)
![Sunhill Boulevard](https://image.tmdb.org/t/p/w300/70LChSiMlx367QQAo2iHRF6zGya.jpg)
![Lola](https://image.tmdb.org/t/p/w300/fzXAmbnDh2MY2eCY2Kfm4lC2qav.jpg)
![Integrity: Part I](https://image.tmdb.org/t/p/w300/iANqxFrzvAVU48X1quJ6VTBEcBy.jpg)
![Integrity: Part II](https://image.tmdb.org/t/p/w300/3ve6nw2PuM8UTqOsONIbnCbOybu.jpg)
![Cold Calling](https://image.tmdb.org/t/p/w300/foAx9qPppR2YgtCDZ8ijz6N4lIK.jpg)
![Millennium](https://image.tmdb.org/t/p/w300/bkgomziNSzsVNUTXMgE5UJDB3qz.jpg)
![The Three Sergeants](https://image.tmdb.org/t/p/w300/nrkbrOLZwFCsZs1rUsJqeiZJofz.jpg)
![Trade Off](https://image.tmdb.org/t/p/w300/fzRL8kezG8uKFrPy9YL1SybsmKs.jpg)
![Treading Water](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Look Again](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Love & War: Part I](https://image.tmdb.org/t/p/w300/hCJPAoZ5Mw6igaaOIaznTXvpt1e.jpg)
![Love & War: Part II](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Hot Money](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Crash Landing](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Father's Day](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Sweet Sixteen](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Denial](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Walking The Line](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Cover Stories](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Security](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Up In Smoke: Part I](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Up In Smoke: Part II](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Homework](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Knowing You](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Consumers](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Lock In](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Money For Nothing](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![A Night To Forget](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![A Day To Remember](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Judgement Day](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Haunted](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![When The Snow Lay All Around](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![Blowing It All Away](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)
![All Change](https://image.tmdb.org/t/p/w300/5uBupsPsSlvQl7BROqLFooFMToj.jpg)