Summary Our Feature Report examines imaginary play as we look at the world of a child's imagination. We explore how important imagination is to development, examine the role of imaginary friends and get advice and information on how much "living in their head" is healthy for children. With Education Psychologist Dona Matthews, Comic and Radio Host Carla Collins and Children's Author and Novelist Richard Scrimger Reality Check deals with over-protectiveness. Stand up comic/mom Kate Davis observes her own over-protectiveness. This How-to aims to help your child stop thumb sucking. Orthodontist Dr. Aubrey Banack gives us tips on how to deal with the emotional (and dental) implications of thumb sucking. Our Video Diary explores co-operative living. The expression "It takes a village to raise a child" is alive and well in an urban corner of Toronto. Three families on one street are living cooperatively - sharing meals, activities and the upbringing of their children. In this week's Video Diary, we meet the Emerson sisters who live side by side - and share their lives with - the Bush family.

• Documentary