t' lads in t' drunk-tank after going off t' rails... or was it under t' rails, can't remember!

On the camera screen, there appeared to be a mystery 6th ghostly PBaser on the left... turned out to be a bit of lens flare! But the flare was strange in itself, it was a dull grey colour - very odd.
This isn't the shot where the ghost was most apparent, it was the one after this - but someone (=me!) forgot not to smile :-/ Actors we're not!

You can almost sort of see it a bit in the thumb for this one... if you squint with one arm behind your back and your fingers crossed...