Horrid Henry and the Dangerous Data (S04E09)

S04E01 Horrid Henry's Comic Caper S04E02 Horrid Henry Knows It All S04E03 Horrid Henry Does His Homework S04E04 Horrid Henry and the Horrid Hat S04E05 Horrid Henry's Hit Song S04E06 Horrid Henry Flicks the Bogey S04E07 Horrid Henry: I Am Not a Hamster S04E08 Horrid Henry Plays Air Guitar S04E09 Horrid Henry and the Dangerous Data S04E10 Horrid Henry and the Perfect Parents S04E11 Horrid Henry and the Single Sock Saga S04E12 Horrid Henry Tells the Truth S04E13 Horrid Henry and the Phantom Phone S04E14 Horrid Henry Loses Rude Ralph S04E15 Horrid Henry: Eco Warrior S04E16 Horrid Henry Gives It All Away S04E17 Horrid Henry Rewrites the Rules S04E18 Horrid Henry's Marvellous Motto S04E19 Horrid Henry's Daring Deed S04E20 Horrid Henry Goes to School S04E21 Horrid Henry Takes the Blame S04E22 Horrid Henry and the Purple Pass S04E23 Horrid Henry Meets Mr. Tiddler S04E24 Horrid Henry's Movie Moments S04E26 Horrid Henry Goes on Strike