Preheat oven to 325 degrees F. Line a large baking sheet with parchment paper.
Wrap each cocktail wiener with a piece of bacon and arrange on the baking sheet seam side down.
Bake, turning several times, for about 40 minutes, or until the bacon is crispy and brown.
Remove from the oven and turn on the broiler. Brush the bacon-wrapped little smokies all over with barbecue sauce. Return to oven and broil for about 1 minute, until barbecue sauce bubbles.
Remove to a wire rack and cool on pan for at least 5 minutes. Skewer with toothpicks, arrange on a tray and serve.
To store: Tightly wrap any leftovers and refrigerate for 2 to 3 days.To reheat: Spread the bacon-wrapped Little Smokies on a baking sheet and cook in a preheated 350 degree F oven for 8-10 minutes, until heated through and sizzling. ?