BEGIN SLIDESHOW Supernatural Episode 13.23 Photos: Let the Good Times Roll The CW has released the new images for next week’s Supernatural Episode 13.23, titled “Let the Good Times Roll.” Check out the season finale photos in the gallery below and be sure to catch the season finale next Thursday on May 17! In the promo for “Let the Good Times Roll,” Sam, Dean, Jack, and Castiel come face-to-face with Lucifer as they and their allies try to find a way to stop Lucifer and Michael after the two archangels have crossed over into our world. The Supernatural Season 13 finale is officially described as follows: “Our heroes, Sam and Dean Winchester, continue to be tested in the battle between good and evil, but one impulsive decision could alter the lives of one the brothers forever.