Lassie befriend Patricia Prescott, who refers to herself as ""Walden,"" a free-spirited teenage girl, who has left home to live in the wilderness like her idol, Henry David Thoreau, after the young woman cleans up a picnic area. But both of them are endangered by aftershocks from an offshore earthquake.
| Creator | Robert Maxwell |
|---|---|
| Actor | Hugh Reilly, Josh Albee, Larry Pennell |
| Country | United States of America |
| Production |