As Stan and Ollie scramble to board the train, their fiddle is clearly smashed to pieces, yet it is intact for the rest of the film.
As Stan and Ollie talk to the train announcer, two women can be seen in the background watching the scene being filmed, looking at the camera and smiling.
When Stan and Ollie fall out of bed for the third time, Ollie says, "I wish I'd checked you with the baggage," his mouth is not moving.
When the train gets off at the station in Pottsville, Pennsylvania you can clearly see palm trees when Laurel and Hardy exit.