Doctor Who has always indulged in long-term storytelling, but "War of the Sontarans" completes a Third Doctor storyline that began almost 50 years ago. Doctor Who: Flux's second episode finds Jodie Whittaker and her brand new assistant, John Bishop's Dan, fighting a Sontaran invasion across two time periods.
Taking advantage of the chaos caused by Swarm and the Flux, the Sontarans decided Doctor Who season 13, episode 2 would be the perfect time to make another attempt at invading Earth. As the
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