The Kudlak Operation

This is the ninth episode of Season 14.
==Story==
The Brothers of Kudlak return to Earth to take over the planet once more. With an army making foot for UNIT, the Doctor has to warn his old friends about the oncoming threat. The megaship armada eventually gets destroyed with a firm warning to the rest of the race.
==Cast==
The Doctor - Adrian LesterElise Jackson - Francesca Henry 
==Behind The Scenes==
This episode serves as a homage to Sarah Jane Smith, a well loved companion from the programmes history. Alongside the return of UNIT, this episode would also see all of Sarah Jane's past companions from The Sarah Jane Adventures all return to play a part in this story whether it be as an integral part of the story or even in a brief cameo role.***