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; 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.
