Fiona's frustrations with David lead her eyes to wander down the road to Lycra-loving neighbour Andrew, and David's confession about his 'Tupperware of Sin' doesn't help matters.

Rachel meets a supposedly pious girl at church who changes her perspective on dating. Struggling to get Fiona's attention, David gets date ideas from a sex education class.

David takes Aaron to a caravan for some father-son bonding, but there's no electricity and the only running water is leaking through the ceiling. Fiona hosts a girls' night.

David is dealt a devastating blow. But how much is Fiona willing to sacrifice for her man?

At an annual cross-church party, Aaron waits to be baptised. But his head is turned by one congregation carrying rainbow flags. Fiona and Rachel argue over university.

David unearths an ancient religious rulebook and uses it to police his family. But he's not sure how to interpret the decree to 'never boil goats in their own milk'...

When the Order finds itself without a church, David offers up the Lewis family home.

Rachel returns to the church, where arranged marriage is making a comeback.

The congregation prepare to vote for their new leader. Fiona uses Andrew's election speech as an excuse to flirt, while David's blackmailed into sharing an intimate moment with Maude and her VCR.

David teaches Rachel to drive - which goes about as well as you'd expect.

Rachel enlists Julia as her 'sex mentor'. Aaron and David break into Samson's house.

Dad David desperately tries to get a promotion within the church. But his plans are made difficult by Andrew, his Lycra-clad, holier-than-thou neighbour.