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Who is the Tourist?

The Doctor’s mysterious adversary is revealed in the next instalment of The Thirteenth Doctor Adventures: Aegis, starring Jodie Whittaker and Mandip Gill, due for release in May 2026.

The Thirteenth Doctor (Jodie Whittaker) and Yaz (Mandip Gill) have travelled to many places and times across the universe, from Sheffield to space via the court of Henry II. But over their last few stops, one name has followed them around – the Tourist.

In the next episode of The Thirteenth Doctor Adventures, Aegis by Noga Flaishon, the time travellers decide to confront this elusive enemy. To do so won’t be easy – they must infiltrate a convention held by an interplanetary defence contractor, the sinister Aegis Protectorate.

In this pivotal story, which marks the midpoint of the twelve-episode full-cast audio drama series, the secrets behind the Tourist will be revealed. The Thirteenth Doctor and Yaz’s adventures have been building up to Aegis…

The Doctor and Yaz must infiltrate the Aegis Protectorate interplanetary defence expo in search of someone who has been dogging their travels. As the Doctor digs into the company’s main export, the sinister Trojan Program, Yaz faces a battle of her own. Will they finally uncover the truth about the Tourist?

The Thirteenth Doctor Adventures: Aegis guest stars Juliet Aubrey (Middlemarch, Primeval) as Aegis COO Athena Nikos, as well as Maddison Bulleyment as the Tourist and Shogo Miyakita as Aegis’s deadly mech soldiers. And, Jason Forbes returns as Prospero, the cerebral organoid from previous adventure Ride or Die.

Writer and producer Noga Flaishon said: “Having read everyone else’s scripts as the producer of this line gave me the chance to build on the work of the other writers and pay off some of the seeds we’ve been planting. I think of Aegis as a ‘mid-season finale’. It’s an action-packed sci-fi story which I hope will leave everyone excited for the second half of the series.”

Doctor Who – The Thirteenth Doctor Adventures: Aegis is now available to pre-order for just £9.99 (as a digital download to own) or £13.99 (download to own + collector’s edition CD), exclusively from http://www.bigfinish.com.