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  1. Entertainment
  2. TV
  3. Sci-Fi Shows
  4. Doctor Who

Yes, that is Doctor Who’s new season 2 companion in Boom – but the mystery cameo leaves us with more questions than answers

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By Bradley Russell published 18 May 2024

A surprise early appearance for Varada Sethu

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Doctor Who
(Image credit: BBC)
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Some spoilers for Doctor Who episode 3 follow. You have been warned. 

‘Boom’ was an instant classic: a nerve-shredding, landmine-stepping trip to a planet caught in the middle of a never-ending war.

Amid the chaos and tension, you may even spot a surprise familiar face. Among the very few characters with their boots on the ground (and in the mud) on Kastarion 3 is Anglican soldier Mundy Flynn, played by Varada Sethu.

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Sethu is all set to be the Doctor’s next companion in the second season of the BBC/Disney Plus series. So why has she shown up early? Honestly, it’s not quite clear at this early stage. 

Doctor Who itself didn’t address it in the episode, save for a cute day-of-the-week quip from Ncuti Gatwa’s Doctor that she should marry Ruby Sunday (Millie Gibson) so they can be Mundy Sunday. 

There does appear to be a connection between the two companions present and future, though given the show hasn’t fully addressed the mystery behind Ruby and her snowy memories yet, there’s seemingly plenty of ground to cover before we bump into Varada Sethu again.

Moving forward, there’s probably going to be one of two outcomes: A) Varada Sethu returns as Mundy for reasons unknown as joins the TARDIS crew or B) Doctor Who pulls a ‘Clara’. 

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The ‘impossible girl’ companion, played by Jenna Coleman, appeared twice as different iterations of the same character before joining the show full-time in 2013 – though her early appearance was part of a wider seasons-long narrative. 

Perhaps it’s the same again here. We’ll just have to be patient – the perplexing arrival of Mundy, it seems, is a story for another day.

For more, check out the best sci-fi movies of all time, plus Ncuti Gatwa, Millie Gibson, and showrunner Russell T Davies teasing every season 1 episode in a new interview with SFX.

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Bradley Russell
Bradley Russell
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Senior Entertainment Writer

I'm the Senior Entertainment Writer here at GamesRadar+, focusing on news, features, and interviews with some of the biggest names in film and TV. On-site, you'll find me marveling at Marvel and providing analysis and room temperature takes on the newest films, Star Wars and, of course, anime. Outside of GR, I love getting lost in a good 100-hour JRPG, Warzone, and kicking back on the (virtual) field with Football Manager. My work has also been featured in OPM, FourFourTwo, and Game Revolution.

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