New girl Sienna captures Arthur's heart. George takes the other children's rejection of his family's 'Essex Noodles' recipe to heart. Alfie makes a breakthrough in a painting competition.

This episode reveals how five-year-olds experiment with different identities. Jack seems to be the archetypal lad, but is he just using this persona to hide his sensitive side?

This episode meets the six-year-olds who, after two years at school, are beginning to focus more on their own identity and are capable of discussing topics as diverse as race, religion, love and death

Caitlyn and new girl Leila bond when they try to cover up a cake mishap. Elvin feels rejected when Beatrice starts spending more time with Elouisa; can Beatrice and Elvin repair their friendship?

During a building task, new girl Milana's play style threatens to alienate her from the group. A temptation task gives new boy Kahana a chance to shine. And Layton sets his sights on another girl.

Ten new five-year-olds arrive at the play centre. Romance blossoms between confident Jude and Ellie. Grown-up Ellie-Mae takes Daisy, who has cerebral palsy, under her wing.

Sensitive Nat vies for the attention of confident new girl Calla. Football ace Jet offers words of wisdom to her teammates and shows how winning can be fun as the children learn about competitiveness.

The four-year-olds take their first steps towards independence. Some are leaders. Some are mischievous. Others are more interested in buses and numbers than making friends.