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Boom stars Ncuti Gatwa and Millie Gibson as The Doctor and Ruby Sunday. Also returning for a cameo in this episode is Susan Twist, playing 'Ambulance'.

Guest cast this episode includes Joe Anderson as John Francis Vater, Majid Mehdizadeh-Valoujerdy as Carson, Caoilinn Springall as Splice Alison Vater and Bhav Joshi as Canterbury James Olliphant.

This weekend's episode saw, caught in the middle of a devastating war on Kastarion 3, the Doctor trapped when he steps on a landmine. Can he save himself and Ruby, plus the entire planet... without moving?

Boom was watched live by 2.04m on BBC One in the UK. BARB have released the 7-day consolidated figures for this episode, which include those who watched on iPlayer and devices. Boom has consolidated to a total of 3,578,000 making it the 18th most-watched programme of the week across all channels, and the 10th most-watched title of the week.

The first two episodes of the series, Space Babies and The Devil's Chord, have consolidated to 4,008,000 and 3,909,000 respectively.

In the UK, episodes of Doctor Who drop every Saturday at 00:00am on iPlayer and air on BBC One at 6:50pm BST.


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