Pop Kelp is a food that is sold at The Reef Cinema. It is unknown what it tastes like.
Pop Kelp resembles green popcorn in appearance. Though, from a distance, it could also resemble seaweed or kelp.
- It only appears in the PC version of Lights, Camera, Pants! and the episode Something Smells.
- The machine, at least, appears in SpongeBob SquarePants featuring Nicktoons: Globs of Doom.
- It is a parody of popcorn.