Victoria, from WGBH’s Masterpiece continues. Travel back to 1848 as revolution breaks out across Europe. In Britain, one woman stands between order and chaos: Queen Victoria. Jenna Coleman stars as the young but fearless monarch, facing a crisis that threatens to end her reign. Tonight: the world’s eyes are on the Great Exhibition, and the Royal couple. Does triumph or failure beckon?

Watch it at 9pm on WGBH 2.