In the series finale, Dan is caught in a race against the clock to prove his credentials as a dad, but a terrifying figure from his past surfaces to seek revenge. Brian decides to call time on modern 'feral' dating and Jo must decide who she really is.

When a health visitor suggests what mum and new baby need is a 'daddy day', Dan can't believe his luck. But when his son seems a bit cold towards him, Dan becomes increasingly desperate to establish a bond.

In the fourth episode, Dan takes his Behavioural Unit on a historical school trip with desperate hopes of becoming a 'bright light' his troubled kids can follow. Jo goes undercover to avoid government detection, obviously, and Brian has a mysterious secret passion.

In the third episode, Dan is frustrated by the universal lack of respect for his new status as a father, and decides to join a local dads' club. Desperate to fit in, how far will 'Papa Bear' go to impress the other dads? Brian is worried about his daughter's cultural identity, and Jo adds to his stress with her box of 'things I don't understand'.

In the second episode Dan presents Emma with a perfect vision of a family and embarks on a journey to rediscover a terrible truth about a misremembered friendship. Meanwhile Jo embraces freeganism and Dan reluctantly re-enters the teaching profession... kind of.

Walking disaster-area and child-trapped-in-a-man's-body Dan is blinkered by unrealistic hopes for his impending fatherhood; he's quit his much-hated job as a teacher and is applying his unique work ethic to another, more earthy profession. With Aunt Nesta and his mum now in a retirement village 'pissing my inheritance up a wall' Dan is on an increasingly desperate hunt to find a new home for his soon-to-be family. Helped by his oldest friends, uptight financial advisor Brian and the irrepressibly bonkers, serial 'entrepreneur' Jo, can Dan finally grow up to become the man he hopes he can be?