Doctor Who is back in full force as fans excitedly wait to see what new timelord Ncuti Gatwa will bring to the table – with showrunner Russell T Davies accidentally giving spoilers.

The plans for the upcoming series are incredibly hush hush following David Tennant’s second dramatic exit via a rare bi-regeneration – we’re not going to pretend to understand the timey-wimey details of that.

Beloved writer and Doctor Who fan himself, Russell, 60, couldn’t help but tease a little of what is to come, earning himself a little slap on the wrist.

At a Q&A hosted in London’s BFI Southbank, the Doctor Who legend excitedly told the crowd, including Metro.co.uk, that one episode would contain music icons The Beatles.

When asked about why we all love the Whoniverse so much, Russell replied: ‘I wish I knew the answer and I think every single production team for 60 years been chasing after the answer.

‘We have never tried to describe the doctor or describe Millie (Gibson)’s Ruby. We never pin them down, never say “Oh he’s this, he’s that, she must do this and she must do that.”‘

Millie Gibson, Russell T. Davies and Ncuti Gatwa gathered for a special Q&A (Picture: PA)

Fans got a glimpse of Ncuti’s Doctor in the anniversary episode (Picture: Scott A Garfitt/Invision/AP)

Russell let a very big teaser slip(Picture: PA)

His enthusiasm got the better of him as he continued: ‘We jumped into every episode – the next episode is completely different. The one after that is The Beatles, it keeps changing.’

Russell was chastised by his production team sat in the front row as well as the interviewer for spilling even a tiny bit of information about the new season.

As the audience chuckled, he cheekily repeated: ‘The Beatles!’

It’s not known how the British pop legends will appear in 31-year-old Ncuti’s debut series but pictures from the set have sparked speculation already about a ’60s episode with the group.

John Lennon, Paul McCartney, Ringo Star, and George Harrison had wanted to star in an episode of Doctor Who back in the day but were not allowed to by their manager.

The legend revealed The Beatles will feature in the new season (Picture: Danni Scott)

Millie and Ncuti managed to keep any spoilers under wraps (Picture: Kate Green/Getty Images)

A performance of Ticket to Ride can be seen on a 1965 William Hartnell episode, however, it is a clip from Top of the Pop rather than the singers starring in the show.

While little is known about the next season, the annual Christmas episode has an official synopsis that hints at more magic and mystery.

It reads: ‘Long ago, on Christmas Eve, a baby was abandoned in the snow. Today, Ruby Sunday meets the Doctor, goblins, stolen babies, and perhaps the secret of her birth.’

Russell was careful not to spill any more secrets but Ncuti and Millie, 19, did reveal their favourite previous Doctors when asked by Buzz Fletcher, the 9-year-old son of Mcfly’s Tom Fletcher.

Millie will make her debut in the Christmas episode (Picture: Scott A Garfitt/Invision/AP)

The duo did reveal their own favourite Doctors (Picture: Danni Scott)

Ncuti, of course, said David who played the 10th and the 14th Doctor, with the pair acting alongside each other in the 60th anniversary special.

Millie gave a shout-out to Matt Smith, who followed David’s Doctor – the first time – and introduced fans to fish fingers and custard as well as some terrible hat choices.

The newly bi-regenerated Doctor added: ‘The role of the doctor is everything. They’re an explorer that has been around for a billion years and so they have so many quirks and intricacies and rage and joy.

‘They’re just full of the whole kaleidoscope of emotion so to pick what I was going to bring out differently, it’s a very hard question so I guess just myself. I guess I bring my black and beautiful self.’

Doctor Who’s Christmas episode airs on Christmas Day at 5.55pm on BBC One and Disney Plus.

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