When the new season of twentysomething continues, Jess hangs up her hard hat and starts working at the cinema. When she spies Billy and his new girlfriend in the ticket line, it sends Jess on a one-track mission to get Billy back.

When this magnificent series continues, Professor Brian Cox visits the bio-diverse hot spots of Southern Africa and Madagascar to discover why our planet is so rich in its diversity. The answer lies with the wonder molecule carbon, a universal building block.

Catalyst presents a special report into the chiropractic industry. A growing number of parents are taking their babies and young children to chiropractors for problems that would normally be treated by a medical doctor, colic, reflux, asthma and autism. Are they putting the children at risk?

This week Lawrence is joined by actress Brooke Satchwell, comedians Matt Okine and Zoe Coombs Marr, and 'douchebag' Josh Thomas; plus, Ronny Chieng interviews singer/songwriter Wes Carr. Interact with the show using the free zeebox app on your mobile device.