In the third programme in a unit exploring computer coding, Gemma speaks to 15-year-old ‘Digital Girl’ Amy Mather about the fun we can have with coding. Show more

Leah has fun talking to her grandad Alan about his life as a Beefeater at the Tower of London. Show more

Ralph van Dijk and side-kick Matrix have more questions to consolidate mental maths skills and the focus today is adding and subtracting the number 9.

Scrooge is visited by the Spirit of Christmas Past. He is shown scenes from his childhood and remembers how close he was to his sister.