Don't Open the Box!

Something weird is happening at Grim Falls Academy. and that''s saying something for a school for supernatural kids. Seb has unearthed a mysterious box, a pesky troll is wreaking havoc and the school has been turned into one massive forest. But when Seb makes a wish he can''t take back, will he, Victor and Tabby manage to get everything back to normal and discover the truth.