Horrid Henry's Holiday is the fiftieth episode of Series 1.
- In the tent, when Peter wakes up he's in his pyjamas, but when he says "What was that?" he's in his clothes but when he says Henry's just trying to scare him, he's in his pyjamas again.
- When Henry lets the sheep out of the field, many more sheep leave the field than were originally in it when Henry opens the gate.
- At 10:04 Henry's Dad is wearing his casual clothes
- All the rain move up and a few didn't