Sparrow Jennings is a girl who lives in Elwood, Indiana.
After Dean is abducted by "aliens", Sam goes to the camp of a group of UFO watchers to look for information. He finds none, but he encounters Sparrow, who seems interested in him and the story of his brother's disappearance. She returns with him to the motel. After Dean escapes his abductors, he heads back to their motel room and finds Sam and Sparrow in bed together. She's happy for Sam when she sees that Dean has returned, and as she leaves, she asks Dean what it was like being abducted. Dean is less than forthcoming and hurries her out the door.
- Sparrow is one of a select group of women who did not die after sleeping with Sam.