Bill tries to crawl back through the cat flap but finds her head is stuck .
Bill puts her head through the cat flap to find out what happened ; Rona explains she was changing a light bulb when the ladder fell and she is now trapped .
Bill tries to crawl back through the cat flap but finds Rona head head is stuck .
Bill puts her head through the cat flap to find out what happened ; Rona explains she was changing a light bulb when the ladder fell and she is now trapped .