Documentary. Episode three reveals how crawling transforms our understanding of the world, when our memory first develops and how we learn to talk. Show more

Documentary. Episode two looks at why we are born to respond to faces, what makes babies laugh and how we learn to empathise with others. Show more

Documentary. This episode explores how changes in the first two years of life make us individuals, how tablet use affects our babies and where our biases come from. Show more

Kate and Guddi meet Paul, a dad of two who has been dealing with the aftermath of a severe stroke, and Janet, whose back pain turned out to be cancer. Show more

Kate and Guddi meet Hilda, a fashion influencer suffering from fibroids who confronts her debilitating condition, as well as grandmother Trudi, who is struggling with a frozen shoulder.

Kate meets Rozi, a doting grandmother to 23 grandchildren, who tries to understand why Covid-19 hit her so hard, as well as Adrian, whose prostate has enlarged so much that he is in agony. Show more

Kate meets Judith, a singer struggling with a thyroid nodule affecting her voice, as well as Melina, whose favourite foods are off limits because of gallstones. Show more

Kate and Dr Guddi meet Tina, whose adventurous lifestyle has ground to a halt because of a spine problem, and Annabelle, who was pregnant when she found out she had breast cancer. Show more

Kate and Guddi meet Miriam, a young woman with debilitating endometriosis, as she comes face to face with the source of her pain, as well as John, who has a problem with his kidneys. Show more

Investigating the scientific facts and figures behind the biggest public health crisis in living memory as a new coronavirus takes an unprepared world by storm. Show more