This sound effect can be found on Hanna-Barbera Sound Effects Library, which was made by Sound Ideas. It's BOING, CARTOON - SPROING 01, followed by SQUEAK, CARTOON - FUNNY LITTLE SQUEAK and PLUCK, CARTOON - VAROOP, with SWISH, CARTOON - FAST TWIRLING SWISH, MEDIUM playing throughout.
- Al Masaqeel
- Bill Nye, the Science Guy (low pitched)
- Everybody Hates Chris (Heard from the TV whenever a cartoon is playing.)
- Lazytown (Used when Robbie Rotten slides down to his lair in most Season 1 episodes.)