Release:30 October 2006 (2006-10-30) –, 17 September 2020 (2020-09-17)
Based on:Horrid Henry, by Francesca Simon
Producer:Mike Watts
Composers:Lester Barnes, , Mike Wilkie (Series 1), , Matthew and Dave Corbett (Series 1), , Tim Laws (30 October 2006 – 23 December 2012)
Voices of:Lizzie Waterworth-Santo, , Emma Tate, , Tamsin Heatley, , Wayne Forester, , Sue Elliott-Nichols, , Aidan Cook, , Joanna Ruiz
Created by:Francesca Simon
Written by:John Brennan, Malcolm Williamson, Joe Williams, Holly Lyons, Rebecca Stevens, Katherine Sandford, Dave Ingham, Paul Alexander, Carol Noble, Olly Smith, Chris Trengrove, Alan MacDonald, Allan Plenderleith, Lucinda Whiteley, Amanda Swift, Jon Groves, Kelly Marshall, Toby Rushton, James Henry, Laura Beaumont, Paul Larson, Jimmy Hibbert, Clive Endersby, Dan Berlinka, and Andy Williams
Directed by:Dave Unwin, Franklin J. Griffin, and Jake J. Schutz
Developed by:Lucinda Whiteley, and Mike Watts
Running time:11 minutes
No. of series:5
Opening theme:"Nah Nah Ne Nah Nah" and "I'm Horrid Henry" composed by Lester Barnes and performed by Tim Laws and Matthew Corbett
No. of episodes:250 (list of episodes)
Country of origin:United Kingdom
Original language:English
Executive producer:Lucinda Whiteley
Production companies:Novel Entertainment, Nelvana (Series 1)