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.
Unknown forces bring to life Leonardo Da Vinci's most famous painting, and Clyde's day becomes a nightmare when a school trip descends into disaster. Trapped and without Sarah Jane's help the gang must find a way to battle the awesome abomination.
As Luke and Rani investigate the myth of the dreaded abomination, Mona Lisa vows to free her horrifying brother from his prison, but everything now depends upon Clyde to stop the terror.
The Blathereen, arch-rivals of the family Slitheen arrive on Earth. In a move that surprises the gang they declare peace between Earth and Raxicoricofallapatorius and they offer Sarah Jane a gift, one that might change the future of the human race forever.
Sarah Jane faces the battle of her life to save her son from the effects of the gift of the Blathereen. Meanwhile trapped in the school, Rani, Clyde and K-9 fight to find a way to get to the attic, where the final showdown will take place.
