This story will feature in the BBC's Watchdog programme on BBC One at 20:00BST on Wednesday, 22 May.

BBC: Couple's ?163,000 mobile phone bill shock

Radio presenter Nicky Campbell is to move back into television, replacing Anne Robinson as presenter of BBC One's Watchdog.

BBC: Radio Five Live's Nicky Campbell

Watchdog moved to BBC morning television in 1986 and has gone on to become the longest running consumer affairs programme on British television.

BBC: Radio Five Live's Nicky Campbell

Watch the full Watchdog report on BBC iPlayer.

BBC: Twenty five Virgin Media ads found to be misleading

Speaking to the BBC after his meeting with the watchdog, Brian Lightman, general secretary of ASCL, said the issue was not re-marking papers, but altering grade boundaries and "putting right what's happened".

BBC: Heads call for regrading of English GCSEs

The consumer affairs programme Watchdog has its origins in BBC's Nationwide programme of more than two decades ago.

BBC: Radio Five Live's Nicky Campbell

The BBC's consumer rights show, Watchdog, will be focusing on the smartphone in next week's episode, and the fact that almost half of the phone's memory is already occupied by Samsung's own software and apps.

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Meanwhile, the watchdog has launched an investigation into BBC One's coverage of the annual Boat Race between Oxford and Cambridge universities.

BBC: Alan Titchmarsh and Patsy Kensit

Commercial broadcasters have argued that the BBC should be regulated by the UK's media watchdog, Ofcom.

BBC: NEWS | Entertainment | BBC outlines 'radical' manifesto

It should not be privatised, the watchdog said, but could be given extra funds taken from income earned by commercial divisions of the BBC.

BBC: NEWS | Entertainment | Ofcom plans 'public service TV'