Last night, Breaking Bad aired the shocking Season 4 finale, Episode 4.13: Face Off, which will likely be discussed until Season 5 premieres sometime next year. AMC has released a five-minute featurette with cast members Bryan Cranston, Aaron Paul, and Giancarlo Esposito discussing the ending to their stellar year. Be warned, if you have not seen this finale episode, do not click on the video below, because there are heavy spoilers throughout. If you've seen Episode 4.13: Face Off, click on the video below to learn more about the Season 4 finale.