Toby is trying his best to reinvent himself as ‘T-train’, the coolest boy in school, and the pixies are keen to help – but every time they do, things go very wrong. From giving Toby a ‘fresh start’ at school by erasing everyone’s memories – including his Dad’s and his best friend Mo’s – to mixing up their magical size-changing powder on Toby’s spot causing it to grow gigantic, the pixies seem to wreak havoc wherever they go.