Chicago Fire 6×08 “The Whole Point of Being Roommates” Season 6 Episode 8 Promo – After saving a young girl, Dawson (Monica Raymund) is forced to make a tough decision when she finds out the girl’s father is addicted to painkillers. Herrmann (David Eigenberg) loses his cool and gets into an altercation with a police officer after responding to a call. Otis (Yuri Sardarov) and Cruz (Joe Minoso) are on a mission to find out who Brett (Kara Killmer) is dating. Meanwhile, Boden (Eamonn Walker) is skeptical when Donna’s (guest star Melissa Ponzio) brother Julian (guest star Michael Cognata) unexpectedly comes to town. Jesse Spencer, Taylor Kinney, Miranda Rae Mayo and Christian Stolte also star. Jon Seda, Randy Flagler and Anthony Ferraris guest star.