Encyclopedia SpongeBobia
Encyclopedia SpongeBobia

The Great Train Mystery is a SpongeBob SquarePants Ready-to-Read book that is based on the episode "The Great Patty Caper." It was released on September 21, 2010 and reprinted on paperback on January 8, 2013, and on Kindle on December 11, 2013. It contains 32 pages.



Mr. Krabs needs a recipe that is in a locked box. Mr. Krabs gives SpongeBob the key to the box. SpongeBob and Patrick will get the recipe. They take a train. Plankton is on the train because he wants the key. SpongeBob and Patrick are very hungry, so they go to the dining car. SpongeBob and Patrick meet a nanny and her baby. SpongeBob meets a porter. The porter does not like SpongeBob. He pushes SpongeBob off his seat!

SpongeBob and Patrick leave the dining car. They want to hide the key, but the key is gone and SpongeBob cannot find it! SpongeBob sees Plankton and thinks he stole the key. Patrick checks Plankton and sees that he does not have the key. SpongeBob asks Patrick to call the cops and Patrick shouts for the cops.

When the cops arrive, SpongeBob tells them about the missing key. SpongeBob points to the baby. SpongeBob thinks the baby has the key. He then points to the nanny and thinks she may also have the key. SpongeBob holds the baby. The police chief searches the baby. He finds a stolen jewel! The nanny opens her coat. She is not a nanny. She is two brothers!

SpongeBob has found the Jewel Triplets Gang! But he has not found the missing key. SpongeBob thinks the porter stole the key. Plankton wants the key. He jumps on the porter. A policeman shakes the porter. A stapler, a hammer, and an anvil fall out! A mask falls off the porter. He is really a ham sandwich thief! But SpongeBob still has not found the key.

It is as that moment revealed that Patrick has the key. He gives SpongeBob the key. SpongeBob and Patrick solve the mystery! Now they can get the recipe. Plankton is right behind them.


  • Although the book is based on "The Great Patty Caper," inside the book, it says "Based on the screenplay Krabby Patty No More by Casey Alexander, Zeus Cervas, Steven Banks, and Dani Michaeli."
    • "Krabby Patty No More" is the original title for "The Great Patty Caper."