Knock-Knock - Who is Here?
Dolly and Tommy stayed home alone and decided to watch TV. But suddenly the evening calmness and silence is disturbed by some rustling behind the door. What could it be? Might it be just a wind opening the window up? Or have rodents decided to move into the kitchen? The kids are frightened so they hide behind the sofa. But one cannot hide forever, can he? Dolly decides to find out what is going on