Selome Hailu editorNetflix released a trailer for the fourth and final season of “On My Block,” which will premiere on Oct. 4.The coming-of-age dramedy series follows Cesar Diaz (Diego Tinoco), Monse Finnie (Sierra Capri), Ruby Martinez (Jason Genao) and Jamal Turner (Brett Gray), four inner city Los Angeles teens navigating love, gangs and high school together.The trailer showcases how these characters have separated from each other, which was first teased at the end of Season 3.