Underdog is a trendy hot dog spot located in the vibrant Castro neighborhood of San Francisco. This modern eatery offers a unique twist on the classic hot dog, with creative toppings and flavor combinations. From the spicy jalapeno dog to the tangy BBQ bacon dog, the menu at Underdog is full of exciting options. The hot dogs are made with high-quality ingredients and served on freshly baked buns. With its stylish decor and delicious food, Underdog is a popular choice for hot dog enthusiasts looking for a hip dining experience in San Francisco.