FIRST LOOK: Jenna Coleman wields a huge machine gun as she joins forces with Game of Thrones' Maisie Williams in new teaser trailer for Doctor Who series 9
They are each TV heroines in their own right.
But sci-fi fans will get a double-whammy of girl power in the new series of Doctor Who - as it stars both Jenna Coleman and Maisie Williams.
The young women share the screen in the new trailer for the ninth series of the BBC1 show, released Thursday, which will return in September.
Scroll down for video
Two's company: Sci-fi fans will get a double-whammy of girl power in the new series of Doctor Who - as it stars both Jenna Coleman and Maisie Williams
Viewers of the show have already watched the minute-long teaser more than 50,000 times, which surely bodes well for BBC bosses.
It opens with the time-travelling hero, played by Peter Capaldi, flying through the universe in the famous tardis, while Jenna's character, Clara Oswald, declares: 'He hasn't got a plan yet - but he will have. And it'll be spectacular.'
He's then seen battling a number of monsters, aided by both female stars.
Lookign good: The young women share the screen in the new trailer for the ninth series of the BBC1 show, released Thursday, which will return in September
From one smash-hit show to another! Maisie is already a huge star thanks to Game of Thrones
At one point Clara picks up a flame-thrower to ward-off evil villains, but still manages to look the part with slicked-back hair and full make-up.
Likewise, Maisie - who's famed for her role in Game Of Thrones - is also slightly more glam than her other on-screen alter-ego.
She can be seen wearing a floor-length period costume dress, which she caps with a retro hairstyle.
Scary stuff: The new series features the original Daleks as well as some other frightening characters
Popular: Maisie wears a floor-length period costume dress, which she caps with a retro hairstyle for the role
Naturally, fans have responded passionately, with one declaring: 'The hype behind this series is unreal, this is probably going to be the best series since... last series!'.
Another added: 'So stoked to see Maisie Williams [in that] role.'
However, the show's main star, Capaldi, has already given fans an idea as to what they can expect from the much-anticipated new season.
He shared: 'Soaring through all of time and space, series nine sees the Doctor throw himself into life with a new hunger for adventure.
Keen: Naturally, fans have responded passionately, with one declaring: 'The hype behind this series is unreal, this is probably going to be the best series since... last series!'
Uh-oh: Janne, who plays Clara Oswald in the hit show, battles with the doctor's nemesis
'The Cosmos is there for the taking, thrilling, epic and enticing, and his to play in.
'But he's almost reckless in his abandon. It's almost like he's running from something, something that if it ever catches him will turn his life upside down.'
Meanwhile, Peter recently revealed he is desperate for Jenna Coleman to stay in Doctor Who.
He said: 'Jenna continues to deliver a complex and funny performance that marks her out as one of the best companions ever.
'Will these be her last shows? I hope not.'
He means business! The Doctor and his team are faced with myriad monsters from other dimensions
Team-work: Peter recently revealed he's desperate for Jenna Coleman to stay in the show, saying: 'Jenna continues to deliver a complex and funny performance that marks her out as one of the best companions ever'
- Whale breaches next to boat allowing fisherman to remove...
- Spooky puppet that 'choked' owner caught moving on camera
- Diver posts second stunning encounter with 20-ft Great White
- Rosie apologizes to Kelly twice for being 'overly sensitive'
- The world's most horrific prank: Diarrhoea in the elevator!
- Unbelievable footage shows massive explosion in China
- Police release video 'showing Tyrone Harris holding gun'
- Shocking moment that young bear is savaged by tigers in zoo
- 'Kokkinakis slept with your girlfriend' Kyrgios sledges...
- Real-life Bambi and Thumper play together in garden
- Drone footage of the Tianjin explosion with at least 44 dead
- Golden retriever lends a paw helping a puppy down the slide
- Was badly stored cyanide to blame for the catastrophic...
- Moment that desperate whale approached boat full of...
- EXCLUSIVE: 'Kiss my a**!' Rosie Perez QUITS The View early...
- Thought it was safe to go back in the water? Terrifying...
- How son abandoned by his birth parents after a bacterial...
- EXCLUSIVE: 'It was like Top Model prison.' Dethroned ANTM...
- The real life Jaws? 'Biggest shark caught on camera'...
- Creepy moment 'haunted puppet' said to have choked its...
- Bumble Bee Foods to pay out $6million after employee was...
- 'Kokkinakis slept with your girlfriend... sorry to tell you...
- Obama hits the golf course (where else?) with NBA legends...
- Bill Clinton sends 'thoughts and prayers' to Jimmy Carter...