In the 13th episode of the third season of 9-1-1: Lone Star, titled "Riddle of the Sphynx," TK helps Carlos navigate his grief-related drinking and emotional struggles with his family. This episode focuses on the characters confronting their personal demons and finding support in one another. You can find more information about this episode and the show on Tumblr and TV Tropes . Lone Star (TV 2020) [Archive of Our Own]