New Amsterdam 4x18 "No Ifs, And Or Buts" Season 4 Episode 18 Promo Trailer HD - Max orchestrates a plan to get Dr. Fuentes terminated from New Amsterdam once and for all. Helen confronts her medical complication. Iggy helps two patients deal with a breakup, which forces him to consider his own marriage. Bloom and Dr. Castries reach an understanding. Starring: Ryan Eggold, Freema Agyeman, Janet Montgomery