Coal Hill School has been a feature of Doctor Who, but now we get to see the day-to-day adventures of the students.
Ram struggles to cope following events at the Prom, isolating himself from the others.
When London is infiltrated by a powerful alien, an unexpected visitor comes to Tanya's window.
April starts to feel greater effects of sharing her heart with Corakinus, and is troubled by her newfound power.
April must confront Corakinus as the others try save the Earth from extinction.
Thrown into detention, the gang find themselves trapped in a prison that forces them to confess their secrets.
With the gang trapped in detention and out of the way, Miss Quill accepts Dorothea's astonishing offer.
Facing an impossible choice, our heroes must use all they've learnt to save Earth.