As the second chapter of the six-part Flux saga, the episode balances a standalone historical adventure with the overarching mystery of the universe’s destruction. While the Doctor deals with the Crimean front, her companions Dan and Yaz are scattered across time and space—Dan defending modern-day Liverpool from a Sontaran fleet and Yaz trapped in the mysterious Temple of Atropos. This multi-threaded storytelling maintains a frantic energy that mirrors the Doctor's own desperation. Conclusion
The episode thrives by grounding its alien invasion in the muddy, bleak reality of 19th-century warfare. By introducing Mary Seacole (played with warmth and gravitas by Sara Powell), the narrative highlights a historical figure often overshadowed by Florence Nightingale. Seacole’s inclusion provides a moral compass for the episode, as she assists the Doctor in navigating a world where "glory" on the battlefield is revealed to be a hollow excuse for Sontaran bloodlust. The Sontaran Threat Doctor Who 13x2
In many modern appearances, the Sontarans had devolved into comedic relief. "War of the Sontarans" successfully restores their menace. By exploiting the temporal chaos of the "Flux," they seize Earth in the past to ensure their dominance in the future. Their obsession with military tactics and "the glory of the kill" feels genuinely dangerous again, especially as they face off against the stubborn, misplaced pride of British officers like General Logan. Narrative Momentum As the second chapter of the six-part Flux