 The duo make their way through the cave, avoiding ghost pirates and searching for ladders to venture deeper, where they find the missing half of the Atlantean Amulet (Patrick thinks it is related to SpongeBob's ancestors because of the word "antis" on it).They take it to the Bikini Bottom Museum to see what it is, taking pictures of exhibits and taking down tourists and security blocking the way.Squidward is shocked to see that they found the other half of the amulet.