Horrid Henry is a British animated series based on the book series by Francesca Simon. It has been running on CITV since 2006. The show follows a naughty boy named Henry. He tends to see life as unfair, and he usually causes trouble because of it.
Horrid Henry and the Demon Dinner Lady (S01E11)
The new Dinner Lady, Greasy Greta, is shown constantly eating kid's lunches. At the end of the episode, the kids deliberately feed her, leaving her stuffed.