Andrei Serban's production of Puccini's dark, oriental fairytale has been a staple at Covent Garden for more than 20 years. Once again neatly and effectively staged by Jeremy Sutcliffe, its vitality and spectacle continue to provide a strong visual frame for the score's alternately garish and delicate colours and its disturbing blend of blood-lust and eroticism.

On this occasion, both the protagonists are vocally high-voltage, though there's a circumspect side to Ben Heppner's Calaf where a devil-may-care, Latin bravado is really required. But his approach pays dividends in the discipline of his singing and the focus of his acting. In the hugely demanding title role, the Hungarian soprano Georgina Lukacs circles the stage with an attitude combining cunning with flamboyance - more than a match, one might think, for any number of tenors come to challenge her vocal and personal hegemony. Once it has settled in, her voice cuts through the climaxes like a blade, though she also hints at Turandot's inner conflict, and her attempts to forestall the inevitable capitulation are unfailingly determined and inventive.

She contrasts well with the vocally resourceful Elena Kelessidi as the slave-girl Liu, who delivers her arias with finesse and sets up a gentler alternate powerbase to Lukacs's unflinchingly baleful princess. Robert Lloyd presents Timur with dignity, and in the persons of Jorge Lagunes, Robin Leggate and Alasdair Elliott the courtier trio of Ping, Pang and Pong welds together athleticism and the comic-grotesque. Eddie Wade's Mandarin seizes the audience's attention and Francis Egerton repeats his gnomic Emperor.

The chorus and orchestra are on strong form, though Stefan Soltesz's conducting is mixed, observant of the kaleidoscopic harmonic range of Puccini's most violent and glamorous score, but less good at building up the tensions in its grand structures to the point where they should overwhelm with their concentrated power.

· In rep until July 22. Box office: 020-7304 4000.