What was the name of Sam Winchester's dog? - briefly
The name of Sam Winchester's dog is Dean.
What was the name of Sam Winchester's dog? - in detail
The character of Sam Winchester, portrayed by Jared Padalecki in the popular television series "Supernatural," is accompanied by a loyal canine companion named Dean. This black Labrador Retriever holds a significant place in the narrative and the hearts of many fans. Despite being introduced later in the series, Dean the dog quickly becomes an integral part of Sam's storyline, reflecting the unwavering loyalty and love that are central themes to the show.