But the “dancing pig” will be going back to the day job rather than reviving his rumba.

Corporation insiders say the former political editor – who famously quit the dancing contest where he was a huge favourite with viewers despite being a less than gifted hoofer – is to be offered a new documentary show focusing on British prime ministers through the ages.

“John’s obviously funny as well as being hugely informed on politics,” explains a Beeb mole.“The hope is he will film it in the new year.”