It's The Andy Griffith Show

Rosemary dove in for another attempt, vaguely aware of another’s presence as he worked. The rat tugged at his hackles while his head was submerged and he lifted it, his ears flicking as he looked over the stranger. Strange certainly described her, but he found a certain charm in her pale coat that was undeniable. He grinned at her, his eyes hooded as he purred a warm. “Greetings.”In her direction, his tail flicking slightly as she stepped closer. The rat tittered excitedly, red and blue eyes glinting with mischief as they looked the woman over while she ambled through the water, only to have their attention pulled away as Rosemary ducked his head for a fourth chance at catching a fish.

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