Lassie

Troubled Waters (17x20)

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Lassie and her new pal, a mutt named Skipper, are getting along just fine with Reed and Johnny, a couple of guys they befriended on the beach, until John discovers Reed is "the law," a harbormaster, and walks out. But he finds he needs "the law" later on when he "borrows" a for-sale cabin cruiser and takes Lassie and Skipper along for the ride.