Directed by William Beaudine | Starring: Richard Kiel, June Lockhart, Jon Provost, Walter Stocker

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.

IMDb Lassie's Great Adven... movie posters