Sex Education, season 4, review: a series that once eschewed soppiness ends up encrusted in schmaltz

• Sex Education (Netflix) began life as an indie-feel British take on a US high-school drama, but four series on it has got very Hollywood indeed. For its final season Schitt’s Creek’s Dan Levy, comedian of the moment Hannah Gadsby, Queen & Slim’s Jodie Turner-Smith and Ted Lasso’s Hannah Waddingham all put in appearances. The Sex Education effect works the other way, too – when this year’s biggest movie, Barbie, wanted some youth appeal, it cast a good third of the show’s leads (Emma Mackey, Ncut