Plot: 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

Lassie - Season 15 - Walden (Episode 22)
Episode Aired On:
Sunday, March 2 1969
56 years ago
Sunday, March 2 1969
56 years ago