Luther fans react to an edge-of-your-seat return for Idris Elba and co

After waiting more than two years, fans finally saw the return of Idris Elba as DCI John Luther.

The end of season 3 left us hanging on the edge of our seats, but if you thought that everything would be explained right away, you were in for a shock. After a depressing opening in which he received some shocking news, fans were glad to see Luther back to his usual wise-cracking self. https://twitter.com/knowingkimberly/status/676877513772126208 The news of Alice's death was shocking, but surely they can't get rid of Luther's best pal that easily? https://twitter.com/internet_cute/status/676877152189587461 Many were more interested in whether or not Luther had time-travelled to the pre-smartphone era... https://twitter.com/BritishSubcult/status/676870599063531520 Game of Thrones fans were happy to see a new character with a familiar face... https://twitter.com/BBCOne/status/676880694870564865 But Luther's techniques still left a lot to be desired for some... https://twitter.com/sazza_jay/status/676880701602574338 https://twitter.com/ClaudiaBoleyn/status/676882104408539140 As ever, the BBC drama was full of its scary moments... https://twitter.com/jchenrytweets/status/676882707348111360 https://twitter.com/CharlotteBHC/status/676879211869638656 But fans lost their minds at the sight of Sherlock Holmes and John Watson at the end...only to realise that it was just an advert for BBC drama... https://twitter.com/ANDREW0675/status/676885325285883904 https://twitter.com/Abimarvel/status/676885488733696000 https://twitter.com/EveChadha/status/676885183392555008 https://twitter.com/Aimee0reilly/status/676884807700373504