Arnold's best laid plans for the "ultimate Saturday" go up in smoke when he tries to complete all of his favorite things to do in one afternoon. On a boring summer night Grandpa tries to liven things up by telling a story about haunted Train Number 25.
The List: Arnold attempts to do everything on the legendary "List for a Kid's Perfect Saturday", but all of his plans go horribly wrong. Haunted Train: After hearing a story from Grandpa, Arnold, Gerald and Helga attempt to find the Haunted Train.