Grandpa was excited to take Ben into the past for a trip on a fantastic old train. But what happened when Rosie, Alice, and Clunk found out that robbers were on the train? Could they stop the train before something terrible happened?爺爺很高興帶著Ben乘坐一輛奇幻的老舊火車回到過去旅行。但當Rosie，Alice和Clunk發現火車上有搶匪時發生了什麼事呢？他們能在可怕的事情發生前讓火車停下來嗎？
