Although the screenplay weakens towards its end up till then it will be one of the better adventures about a granny and her multipurpose train–spotting dog you will probably see. The animation is outstanding and is so good little dialogue is required.
The kids are fresh and perform naturally without any baggage. The storyline is interesting and it is presented in a low key manner supplemented by a very good soundtrack.
The screenplay, although a bit contrived in parts, was watchable. I think if George Sanders had have played the George Sanders part instead of Ferrer it would have improved it.