In case you have somehow forgotten, the third series of The Sarah Jane Adventures kicks off today with part one of Prisoner of the Judoon! In this story we see the return of Sarah Jane and the gang as they team up with the Judoon to stop the evil reptilian Veil. The synopsis for part one is below.

In the first of this two-part adventure, Sarah Jane and the gang face the most dangerous day of their lives, as the rhino-like Judoon return. When prisoner Androvax the Destroyer crash-lands on Earth, a Veil is set free and starts to turn Earth’s technology against itself. And his next victim is Sarah Jane.

Prisoner of the Judoon part one airs from 4.35-5pm on BBC One and for the first time, on BBC HD, and will continue with part two of the episode tomorrow at the same time. Come back after for the part two trailer.