Lassie's Great Adventure (1963) is a Action, Adventure film that follows while in Canada Timmy and Lassie encounter a downed hot air ballonist. By accident they end up in the balloon which takes them into the wilderness. The young boy and his dog must find a way to survive even fending off a wild pig. Currently, you can watch Lassie's Great Adventure on Amazon Video. Streaming availability may vary by country and platform over time. It has a user rating of 4.5 out of 10 from 5 votes. Fans of action movies may also want to explore similar titles below.