(The Horta Editorial Hacienda Post version of SpongeBob's door.)
(Sound Ideas, HYENA - HYENA LAUGHING, ANIMAL and Hollywoodedge, Hyena Spotted Laughi AT033901 as heard in "Kwarantined Krab".)
(A reversed audio of Sound Ideas, BORK, CARTOON - LOW BORK as heard in many episodes.)
(High-pitched, sped-up, and shortened version of H-B BING, CARTOON - VOCAL BING heard in classic episodes)
(A high-pitched, sped-up version of Sound Ideas, CARTOON, WHISTLE - SLIDE WHISTLE: ZIP UP heard mainly in the 2nd and 3rd seasons)