Before setting off on the road for a new batch of auditions on the ITV1 reality show, Piers had revealed: "I'm hoping we will find some great animal acts."
However, auditionees Caz and Judy failed to match his expectations when they took to the stage in Manchester and claimed to have a group of dancing ferrets.
"It's quite well known that ferrets can do the weasel war dance," Caz revealed, "if you wave anything . . .