Where's SpongeBob? is The Adventures Of Gary The Snail episode from season two. In this part one episode, Gary wakes up one day and finds out that SpongeBob isnt there! So he looks everywhere for him, The krusty Krab, Chum Bucket, Gary Thinks that Plankton kidnapped him! So Gary gets mad and corners Plankton! Plankton says he doesn't know where Gary is. So Cuffs him up and leaves him there! So, Gary asks Patrick and Squidward and Sandy and Mr. Krabs for there help! And so, There quest begins!
Rock Bottom (Mentioned, debut)
Main article: Where's SpongeBob? Part One Transcript