Horrid Henry (2006)

S1E8 Horrid Henry and the Demon Dinner Lady

After a stint with school dinners, Horrid Henry is thrilled to return to enjoying packed lunches during mealtime. However, upon re-entering the Packed Lunch room, he encounters his latest foe - Greasy Greta, the Wicked Lunch Monitor. She enforces the dreaded 'No Sweets In School' rule by devouring any treats the kids have packed. To defeat her, Henry realizes he must outsmart her and challenge her using her own tactics...