Watch FULL EPISODE in HD Quality : br br br Air Date : February 8th, 2017 br Season Number : 1 br Episode Number : 4 br Episode Name : Chapter 4 br Networks : FX br Genres : Action & Adventure, Sci-Fi & Fantasy br br Storyline: br David faces trouble as his friends search for answers. br br Casts: br Aubrey Plaza, Bill Irwin, Jean Smart, Jeremie Harris, Rachel Keller, Dan Stevens, Katie Aselton, Amber Midthunder.