Doctor Who's Osgood is about to have another run in with the Zygons - and she won't be the only one. It appears the shape shifting aliens will have their sights set on the children of Britain.

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The previously deceased UNIT scientist will find her genetic code copied once more during episodes 7 and 8, according to Doctor Who TV, an event that will surly give viewers "Day of the Doctor." While Twelve and Clara will certainly have their hands full with a seemingly revived Osgood, the Time Lord and his companion will spend a little time hanging out at a local park, working to draw Earth's latest invaders out of their child-sized disguises (see photos here).

Penned by Peter Harness, the two-part episode will leave viewers with one of the season's most intense cliffhangers.

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"It's nice to do a cliffhanger," Harness teased, according to Digital Spy. "And I tried to do the biggest cliffhanger I possibly could."

It is unclear whether or not this white-knuckle episode 7 conclusion will deal with Osgood, the children, or Clara's decision to wield a bazooka.

Find out more when Doctor Who returns to the BBC and BBC America this fall. Click the video below to find out more about the Zygons.

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Doctor Who, Television, BBC, BBC America