1-th episode of 1-th season "The Sarah Jane Adventures"

What "The Sarah Jane Adventures" 1-th episode about

Maria and Luke, along with their new friend Clyde, discover an alien race called the Slitheen have invaded their school... in the form of teachers. They have another plan to take over Earth, but will their plot be foiled by the ever-faithful Sarah Jane Smith?

Episode number: 1

Episode name: "Revenge of the Slitheen (1)"

Episode release date: 24 september 2007 at 16:00

Status: aired