Check out The Lost Media Wiki’s page on the Ben and Holly pilot!!!
Ben And Holly’s Little Kingdom Was Created In 2009. Before The Show Premiered On Nick Jr In 2009, There was a pilot for the show created In 2005. Not much info it’s known about it, And won a award for the best pilot in 2006 at Cartoons At The Bay 2006, However, There's A footage of the pilot was found, & The Narrator Is Female, The alt name for the pilot Is, Little Kingdom, and the pilot is 2 minutes long.
UPDATE: I Found The Pilot
ANOTHER UPDATE: More footage of the pilot was found at a different angle along with the Peppa Pig pilot! https://www.youtube.com/watch?v=e82_FABpwEI&feature=youtu.be
Prototype Ben And Holly 1
Little Castle
Character models
Prototype Ben And Holly 2
Holly with Ben who is turned into a dog
The Great Elf Tree
Ben & Holly & Their Friends
Holly with King Thistle & Queen Thistle