Season 1
1. Horrid Henry's Birthday
2. It's Horrid Henry
3. Horrid Henry's Stinky Sock
4. Horrid Henry and the Football Fiend
5. Horrid Henry and the Mean Recorder
6. Horrid Henry and the Purple Hand
7. Horrid Henry and the Tooth Fairy
8. Horrid Henry's Christmas
9. Horrid Henry's Perfect Day
10. Horrid Henry and the Rubber Chicken
11. Horrid Henry and the Spelling Bee
12. Horrid Henry and the Magic Word
13. Horrid Henry and the Great Escape
14. Horrid Henry's Valentine
15. Horrid Henry and the Talent Show
16. Horrid Henry and the Time Machine
17. Horrid Henry and the Hiccups
18. Horrid Henry's Sleepover
19. Horrid Henry and the Bully
20. Horrid Henry and the Big Mistake
Season 2
1. Horrid Henry and the Perfect Pet
2. Horrid Henry's Birthday Party
3. Horrid Henry and the Lost Tooth
4. Horrid Henry and the Bad Hair Day
5. Horrid Henry and the Science Project
6. Horrid Henry and the Secret Club
7. Horrid Henry and the Spelling Test
8. Horrid Henry and the Monster
9. Horrid Henry and the New Teacher
10. Horrid Henry and the Ghost
11. Horrid Henry and the Camping Trip
12. Horrid Henry's Hiccups
13. Horrid Henry and the Magic Show
14. Horrid Henry and the Time Travel
15. Horrid Henry and the Alien
16. Horrid Henry and the Super Hero
17. Horrid Henry and the Curse
18. Horrid Henry's Christmas Gift
19. Horrid Henry and the Snowball Fight
20. Horrid Henry's Valentine's Day
Season 3
1. Horrid Henry and the Talent Contest
2. Horrid Henry's Dog
3. Horrid Henry and the Bully
4. Horrid Henry and the Magic Trick
5. Horrid Henry and the Big Race
6. Horrid Henry and the Treasure Hunt
7. Horrid Henry and the Sleepover
8. Horrid Henry and the Ghost Train
9. Horrid Henry and the Circus
10. Horrid Henry and the Zoo
11. Horrid Henry and the Amusement Park
12. Horrid Henry and the Beach
13. Horrid Henry and the Movie
14. Horrid Henry and the Restaurant
15. Horrid Henry and the Supermarket
16. Horrid Henry and the Doctor
17. Horrid Henry and the Dentist
18. Horrid Henry and the Hospital
19. Horrid Henry and the Christmas Carol
20. Horrid Henry's New Year's Eve
Season 4
1. Horrid Henry and the Perfect Pet
2. Horrid Henry's Birthday Party
3. Horrid Henry and the Lost Tooth
4. Horrid Henry and the Bad Hair Day
5. Horrid Henry and the Science Project
6. Horrid Henry and the Secret Club
7. Horrid Henry and the Spelling Test
8. Horrid Henry and the Monster
9. Horrid Henry and the New Teacher
10. Horrid Henry and the Ghost
11. Horrid Henry and the Camping Trip
12. Horrid Henry's Hiccups
13. Horrid Henry and the Magic Show
14. Horrid Henry and the Time Travel
15. Horrid Henry and the Alien
16. Horrid Henry and the Super Hero
17. Horrid Henry and the Curse
18. Horrid Henry's Christmas Gift
19. Horrid Henry and the Snowball Fight
20. Horrid Henry's Valentine's Day