A live feature film (in 3D!) chronicling the adventures of our favourite naughty boy is in post-production. This means that Horrid Henry's first foray into film is ready and the technicians are adding the finishing touches. It should be out for Summer. :)
Here is what the people at IGN MOVIES have to say about it:
The film sees Horrid Henry, Lord High Majesty of the Purple Hand Gang, waging his ever constant battle against the tyranny of adults, only this time it seems the adults really are out to get him!