Timmy and Boomer heartily disagree over the methods and tasks involved in the construction of a lean to but learn to work together when the boys and Lassie must rescue Boomer's visiting cousin Millicent from a cave ledge.
Timmy and Boomer heartily disagree over the methods and tasks involved in the construction of a lean to but learn to work together when the boys and Lassie must rescue Boomer's visiting cousin Millicent from a cave ledge.
