"Monster Bug" was composed by Gregor F. Narholz. The main instruments being played in the piece include brass instruments, low woodwinds, low and high strings, a timpani, a snare drum, a harp, a xylophone, flutes, cymbals, and other percussion instruments. There are different versions of this track.
Monster Bug A
- 29a. "Survival of the Idiots" - Sandy wakes up again.
- 31a. "Mermaid Man and Barnacle Boy III" - Patrick unfreezes the chamber; "Prepare to be eradicated!;" Man Ray gets angry; Man Ray gets angry once again.
- 39b. "The Fry Cook Games" - Plankton introduces his competitor.
- 62b. "Krabs vs. Plankton" - Plankton slips.
- 67a. "Enemy In-Law" - The Chumbot kidnaps everyone.
- 97a. "20,000 Patties Under the Sea" - The sea monster wakes up; "Who are you calling dark and depressing?"
- 148b. "Whelk Attack" - SpongeBob and Patrick hear rumbling; The sea whelks approach the Krusty Krab; The giant whelk appears.
- 156. "Frozen Face-Off" - The abominable snow mollusk appears.
- 175. "It's a SpongeBob Christmas!" - ToyBob approaches Squidward Tentacles' house.
- 192a. "Company Picnic" - A pickle impacts onto Squidward's eye.
- 213b. "Lost and Found" - At the lost dinosaur world; The ending
- 222a. "Krabby Patty Creature Feature" - Bikini Bottom on fire; Mutant Squidward makes Perch Perkins turn into a mutant patty.
- 238b. "Karen's Virus" - Karen gets off the examination table and starts destroying the Krusty Krab.
- 257a. "Handemonium" - Chum Bucket's glove enters the room; Plankton accidentally makes the missiles land on him and SpongeBob.