It's the mother of all Christmases as the gang attend Amanda's festive soirée (dress code: tinsel & tiaras), and nothing says Christmas like 'Evil Santa', Anne's Christmas cocktails, and a ban on dark drinks indoors.
When a nit pandemic sweeps the school, Julia is accused of triggering a second wave. In the hope of getting back into everyone's good books she hosts a nit treatment party - bringing the other's dramas and head-lice into her home.
The parents join the merry-go-round of secondary school open days, as they face the choice of where to send their kids at 11. Julia panics about which catchment area she is in and considers a fake religious conversion to beat the system.
Julia, Liz and Meg endure the school coach trip from hell with their nemesis Ashley, while Kevin helps Amanda pack up her shop with unimaginable consequences.
Amanda's PTA charity FUNraiser is doubling up as her birthday celebration, meaning everyone is dragged into a big event. Mixing sponsored cycling with Anne's lethal cocktails results in a night of high drama and big revelations.