Matthew and Todd find the town and put it in Matthew's room. Later, Matthew loses his baseball game and it makes him feel very bad. He goes home and also gets sucked inside Karlsville. He is then forced to play a weird baseball game. He is then faced with different life-risking challenges but manages to make it to home base and escape. Jessica then comes over and tries to help get rid of the town, but Todd gets sucked into the town by receiving a letter from it.
- Daniel Kash as Karl Knave
- Warren Benns as Matthew Erikson
- Neil Denis as Todd Erikson
- Melanie Nicholls-King as Teresa Erickson
- Philip Akin as Bob Erikson
- Caterina Scorsone as Jessica Walters
- Robert K. Sprogis as Umpire
- David Mucci as Coach Millard
- Peter Graham as Dodger Coach
- In several scenes, the content of Matthew Erikson's bookshelf is visible; the shelf is filled with Goosebumps books.