- Horrid Henry: It's not fair, It's not fair... still not fair
- Perfect Peter: Henry you're doing it all wrong, it's more of a cha-cha-cha than a do-do-daaa
- Horrid Henry: Now scream
- Perfect Peter: [softly] Help
- [Henry stamps on his foot Peter screams the place down]
- Perfect Peter: AAAHHH HEEELLPPP!
- Horrid Henry: That was pretty good
- Perfect Peter: Oh thank you
- Horrid Henry: You can't do this it's like banning Santa Claus from Christmas
- Horrid Henry: [bounding on a door] It's not fair... aaaahhhh
- Perfect Peter: You ruined my wellies
- Horrid Henry: [smirks] Well next time don't wear them outside
- Perfect Peter: And I still haven't got anything for my nature project
- Horrid Henry: [holding up a live frog] What about this?
- Perfect Peter: [screams] Get it off!
- Horrid Henry: [dumps water over Peter] And here's some real pond water to keep it in
- [Peter runs out of the room crying]
- Horrid Henry: [repeated Line] NNNOOO
- Horrid Henry: [repeated Line] NANA NANANAAA
- Horrid Henry: [repeated Line] When I'm king...
- Perfect Peter: [repeated Line] Wah-hoo-a-hoo-a-hoo
- Perfect Peter: [sometimes quoting his brother] It's not fair!
- Perfect Peter: [occasionally] You're not the only one who can be horrid!
- Horrid Henry: [finding that Peter's switched chocolates for slugs] Peter? Peter's done this? Wow I'm almost impressed.
- Horrid Henry: [to his cat on seeing a Chihuahua in his hallway] Look Fluffy... a nice tasty rat