When our eyes and our ears can be fooled, what do we have left? Annabel, Charlie and Adam are joined by Hamish Blake and Yumi Stynes to step into a world where deepfakes are indistinguishable from reality.

Would you give up the right to be bad? Annabel, Charlie and Adam are joined by Tom Gleeson and Dee Madigan to negotiate a world where our behaviour isn't just rewarded and punished, being good is a compulsory national policy.

What if childbirth was a thing of the past? Annabel, Charlie and Adam are joined by Jane Caro and Zoe Norton Lodge to ponder a future where babies could grow outside the human body.

Is a longer life a better life? Annabel, Charlie and Adam are joined by Jean Kittson and Peter Helliar to wrestle with a world where humans could live to the ripe young age of 150.

Do we all need to believe in something, whether it's true or not? Annabel, Charlie and Adam are joined by Waleed Aly and Narelda Jacobs to step into a world where one belief becomes a reality.

What would you give up to forget your trauma? Annabel, Charlie and Adam are joined by Jamila Rizvi and Dave O'Neil to step into a world where our memories can be shuffled, dismantled and even erased.

Would the world be better or worse without fibs and fabrication? Annabel, Charlie and Adam are joined by Geraldine Hickey and Lehmo to step into a world where telling the truth isn't just necessary, it's compulsory.