"Rock Bottom" marks the first appearance of Glove World, though only the exterior is shown.
"Arrgh!" and "Rock Bottom" make up the first packaged pair of episodes to not feature Squidward, though his house is briefly seen in both episodes.
In the Employee of the Month PC game if SpongeBob goes near the candy machine a bus will pull up then leave seconds later referencing this episode.
"Arrgh!" is the first episode in which Patrick gets hired at the Krusty Krab, although he gets fired immediately afterwards.
Although This Episode Premiered In 2000 It Was Made In 1999 According To The Credits