They normally show it on a sunday evening - the week after it is recorded. Plus I think Meat will have a suprise up his sleeve, maybe pyrotenics etc.... and I rekon he might do one song from Bat 1, one from Bat 2 and 1 from Bat 3. You never know, I might be wrong - he might do more than 3 songs.
Great publicity though
and last think -
He will bring down the house!!!!