A to Z. Meet all the Alphablocks from A to Z! This episode introduces all the Alphablocks and their letter sounds.

Balancing Act. When Davey gets too much cereal, he decides to build a precarious machine to get just the right amount.

Why Do We Sing? What parts of the body get used when a singer belts out a tune? We go to a voice lab to find out and some professional vocalists play some singing roulette.

Find out what's going on in the world with a news bulletin designed for children, featuring stories that are relevant and easy to understand.

Hong Kong. Beginning in Hong Kong, Michael investigates the shocking drug wars, as a result of which Britain won the island and Kowloon from China, and the impact today of their return alongside that of the leased New Territories.

Jerry Coleby-Williams explores Cairns Botanic Gardens, Millie Ross shows how to harness the growing power of smoke, Jane Edmanson visits a tiny but terrific courtyard, and Costa Georgiadis holds a masterclass on worms.

Men against Fire. Future soldiers Stripe and Raiman must protect frightened villagers from an infestation of vicious feral mutants. Technologically, they have the edge - but will that help them survive?