Friday 12 March 2021 – BBC One – 20:35
- Writer – Pete Lawson
- Director – Christopher McGill
- Director – Richard Lynn
- Director – Conor Morrissey
Bailey is triumphant as she takes part in the first round of the school science competition – but her joy doesn’t last when she returns home to bad news. Lucas is interviewed for a job by Caleb, who isn’t fooled by the ex-convict’s attempts to pose under a different name – but insists he turn up on Monday or else.