Ant and Dec and Broadchurch lead NTA nominations

Ant and Dec will also be defending their entertainment presenter award, which they have won for 12 consecutive years

Two shows fronted by Ant and Dec will go head-to-head at the 2013 National Television Awards.

Saturday Night Takeaway and I'm A Celebrity... Get Me Out of Here! are both nominated for best entertainment programme, alongside Celebrity Juice and The Graham Norton Show.

ITV crime drama Broadchurch gets three nominations, thanks to a new category honouring the best TV detective.

Both of its stars - Olivia Colman and David Tennant - are up for the prize.

They face competition from Idris Elba for Luther; Bradley Walsh for Law and Order: UK; Suranne Jones for Scott And Bailey; and Sherlock star Benedict Cumberbatch.

Broadchurch's Olivia Colman, who plays Ellie Miller, and David Tennant as Alec Hardy are both up for best TV detective

Despite no new editions of Sherlock being broadcast during the qualifying period, Cumberbatch was included in the shortlist as bosses said repeats had proved so popular with viewers.

Following its hugely successful first series, Broadchurch is also nominated in the drama category - with competition from Doctor Who, Call The Midwife and last year's winner Downton Abbey.

Battling it out in the drama performance category are Downton Abbey's Maggie Smith, Miranda Hart for Call the Midwife, Doc Martin's Martin Clunes and recently departed Doctor Who, Matt Smith.

Ant McPartlin and Declan Donnelly are also up for best entertainment presenter, an award they have won for the past 12 years in a row.

Their competition this year comes from X Factor host O'Leary, Keith Lemon, Alan Carr and Graham Norton.

Following a dramatic 50th anniversary special, outgoing Doctor Who Matt Smith is up for best drama performance

Meanwhile X Factor competes with 2012's ratings winner Strictly Come Dancing, Britain's Got Talent - also fronted by Ant and Dec - Dancing on Ice and The Voice in the talent show category.

Channel 4's hit classroom reality show, Educating Yorkshire, is nominated for best documentary series, against Inside Death Row with Trevor McDonald, Penguins - Spy in the Huddle and Paul O'Grady's Working Britain.

O'Grady is also nominated in the factual entertainment category for his show For The Love of Dogs, which is up against The Great British Bake Off, Top Gear and An Idiot Abroad.

The battle of the soaps sees EastEnders, Coronation Street, Emmerdale and Hollyoaks compete for the serial drama prize.

Viewers can vote for their favourites on the National Television Awards website.

The awards ceremony, hosted by Dermot O'Leary, takes place on 22 January.

The winners will be revealed on ITV from 19:30 GMT on 22 January, live from the ceremony at London's O2.