Bear Grills Piers

He's usually the one giving our guests a grilling with his no nonsense interviewing style, but today the tables were turned on Piers as Bear Grylls grilled our tenacious host in a game of 'either or'.

Piers had to answer a number of fiendishly tricky questions in under a minute or risk a forfeit - fitting of Bear's extreme survival training.

Those of you who are of a squeamish persuasion best look away towards the end of the video...

The forfeit was supplied by Crunchy Critters