"Bobby wait!"

He didn't. Just barrelled into the room, into a hail of … well, light or something.

"Sam, genetically, he's Winchester , isn't he?"

Sam and Dean rushed in. The room was empty – and dark.

Sam flicked on his flashlight and searched the room while Dean knelt beside Bobby, who lay inert on the floor.

"Bobby?"

Bobby woke – eyes opening to … Dean. He shuddered.

"Crap! Thought I was dead - angel – chick … comin' for me..."

"Oh, gee, sorry Bobby, just saved your ass but I'm not a chick angel."

"Thank God."

Bobby looked around.

"Saved me from what?"