Arnold attempts to create the "Ultimate Saturday" by checking off a series of tasks. This segment serves as a classic "plan vs. reality" comedy.
Grandpa states the accident happened 40 years prior, which would place the crash in 1956 based on the 1996 air date. [S1E8] The List/Haunted Train
Grandpa Phil tells Arnold and Gerald the urban legend of , a train that derailed after its engineer went mad. Arnold attempts to create the "Ultimate Saturday" by
Arnold, Gerald, and Helga go to an abandoned station to debunk the story. [S1E8] The List/Haunted Train
This is often cited by fans as one of the spookiest episodes of the series, especially during the scene where the train doors open to a fiery "hell" (actually just the steel mill furnace). Haunted Train (phantom) - Hey Arnold Wiki