Despite the rifts that have emerged since their time in detention, the friends must work together when their families are threatened by a foe they thought they had defeated.

Miss Quill embarks on a dangerous mission to impossible places.

Trapped in detention, dark truths emerge and fractures form in the friendship group.

April must confront Corakinus as the others try save the Earth from extinction.

As April's connection to Corakinus strengthens, a sinister invasion begins.

London is infiltrated by an eerie alien and the team must battle to save Tanya.

A dreadful new monster threatens the school, and the gang must unite to fight against it.

When monsters invade Coal Hill, four students form an unlikely alliance to defeat them.