It became one of the longest-running children's programs on Australian television,[4][5] despite originally only asked to fill a six week gap on the ABC's schedule.

Other notable guest performers on the show included actor Paul Chubb and magician Timothy Hyde.

In February 2019 the Royal Australian Mint released a series of two dollar coins to mark the 60th anniversary of the first broadcast of the programme.

[24] The coins feature images of Squiggle himself, Gus the Snail, Bill the Steam Shovel, and Blackboard.

[24] In April 2024, the National Museum of Australia announced that it had acquired a collection of Norman Hetherington's puppets, scripts, artworks, props, graphics, merchandise, and fans' "squiggles", with the intention of eventually putting them on display.