- Charlie Stickney
- (developer) (24 episodes, 2000-2001)
- Charlie Stickney
- (created and developed for television by) (1 episode, 2001)
- Charlie Stickney
- (written by) (1 episode, 2001)
- Martha Atwater
- (developer) (22 episodes, 2000-2001)
- Martha Atwater
- (created and developed for television by) (1 episode, 2001)
- Terry Deary
- (stories) (22 episodes, 2000-2001)
- Terry Deary
- (based on the Horrible Histories series of books written by) (1 episode, 2001)
- Andrew Young
- (developer) (15 episodes, 2000-2001)
- Andrew Young
- (created and developed for television by) (1 episode, 2001)
- Gordon Langley
- (developer) (14 episodes, 2000-2001)
- Gordon Langley
- (created and developed for television by) (1 episode, 2001)
- Tamar Simon Hoffs
- (developer) (10 episodes, 2001)
- Tamar Simon Hoffs
- (created and developed for television by) (1 episode, 2001)
- Cade Chilcoat
- (writer) (5 episodes, 2000-2001)
- Zeke Kamm
- (writer) (3 episodes, 2000-2001)
- Brian Stampnitsky
- (writer) (2 episodes, 2001)
- Brian Stampnitsky
- (written by) (1 episode, 2000)
- William Forrest Cluverius
- (writer) (2 episodes, 2001)
- William Forrest Cluverius
- (written by) (1 episode, 2001)
- Libby Hinson
- (writer) (2 episodes, 2000-2001)
- Kelly Ward
- (writer) (2 episodes, 2000-2001)
- Mike Borders
- (writer) (2 episodes, 2001)
- Michael Maler
- (writer) (2 episodes, 2001)
- Scott Guy
- (writer) (1 episode, 2000)
- Julia Poll
- (writer) (1 episode, 2000)
- Mark Young
- (writer) (1 episode, 2000)
- Martin Brown
- (based on the Horrible Histories series of books illustrated by) (1 episode, 2001)
- Baz Hawkins
- (writer) (1 episode, 2001)
- Gabriel Lewis
- (writer) (1 episode, 2001)
- David Nadelberg
- (writer) (1 episode, 2001)
- Craig Vaughn
- (writer) (1 episode, 2001)