Doctor Who (2005)

S13E02 War of the Sontarans

During the tumultuous Crimean War, the Doctor stumbles upon the British forces engaged in a fierce struggle against the alien Sontarans. Meanwhile, Yaz and Dan find themselves increasingly entangled in the fight for their lives. As the battle rages on, questions arise about the mysterious Temple of Atropos and the enigmatic Mouri. What secrets lie within?