到这季开始时，X档案已是家喻户晓的科幻影集了。虽然仍被某些人认为太过偏激，但在金球奖艾美奖纷纷获得肯定。第四季仍是过去一贯的风格，但加入了许多穆德、史考莉的个人生活。在该季中，“黑油”“天花蜂”的出现使有关“真相”的调查变得更加坎坷而且扑朔迷离。另外一重大发展则是史考莉发现自己患有癌症，住院治疗，病情虽稳定住，但仍有危险。本季也介绍癌人的年轻时代，向观众交待他的历史。本季也包括了一集喜剧。本季结束于穆德在从阿拉斯加调查回来后对生命绝望，因而举枪自杀。
Skye's plan to scare off Danny backfires, while Max and Jake's pub in Chicago is struggling. Meanwhile, Jim Sturrock opens a community centre in Leith and Teddy is managing a cannabis farm in the Borders for Maggie Lynch.
Rachel James is shot through her kitchen window while having breakfast early one morning. She was having an affair with Dr. Julian Storrs, an Oxford professor who is a candidate for Master of Lonsdale College. When her next door neighbor is also killed however, Morse determines that the shooting of James may have been in error. Morse also suspects that he may have been a blackmailer. Both Storrs an his rival for the Masters position, Denis Cornford had secrets that would make them suspects. Morse determines that several others also had things to hide and any one of them could have committed the murders.
To the streets, “Raq” Thomas is cold, hard and fierce — a successful and deadly woman taking names in a man’s world. She is tough, resolute, ruthless, but Raq still is capable of love. Great love. The sole recipient of that affection is her son, Kanan; he is everything to her. As much as she cares for him, though, there are many instances where one wonders if she loves him for who he is or if she loves him merely as an extension of herself. The middle child of three, Raq also carries the heavy burden as the earner for her two brothers. She is the sun, and everyone else in her universe exists in her orbit.
在安吉丽娜开启毁灭性的火山裂缝之后，乘客们在一个由 828 乘客仇恨助长的世界中面临着严格的审查，如果没有无良的 828 管理局的持续监督，他们将无法自由地解决自己的问题。一场神秘的事故发出了圣经级别的不祥警告，将进一步危及所有乘客的生计。米凯拉为失去她深爱的丈夫齐克感到悲痛，她必须与旧情人杰瑞德合作，寻找新的方法来调查“召唤”。与此同时，本和桑维试图与管理局合作，这一行为只会给乘客带来可怕的结果。神奇的是，一个神话事件重新激活了卡尔满是蓝宝石的龙疤，为 828 乘客提供了一丝希望，让他们能够在即将到来的死亡日期中幸存下来。但安吉丽娜邪恶的蓝宝石力量继续肆虐，拉开了一场善与恶之间的斗争，这场斗争一直持续到他们在《命运航班》故事中最可怕、最悬疑和最欢乐的一章中的最后一天。
前英国间谍西尔维亚·福克斯（Emilia Fox饰）在本季已经定居在翁布里亚乡下，她希望享受宁静的乡村生活，和她的姐姐（Tara Fitzgerald饰）叙叙旧，同时修缮她的房子。然而旧习难改，不一会儿，她就在调查关于当地社区骨干的谋杀案了。不久后，她还将以军情六处（MI6）间谍的身份参与一场危机四伏的湖边派对。就在西尔维亚以为可以享受度假生活的时候，一个“已逝”的男人突然前来寻求报复。西尔维亚的家人能争分夺秒，营救西尔维亚吗？
剧集讲述了一群由狼人、女巫、巨石等不合时宜的“怪人”冒着生命的危险寻找勇气，阻止邪恶力量复活恶龙，并拯救世界于水火之中的故事，融奇幻、想象、喜剧与犯罪于一体。
Freeform的新剧《#诡媚海妖# Siren》获续订第二季，而且第二季的集数为16集，比首季的10集来得多。
Amazon已续订《丛林中的莫扎特》第三季。
Acorn TV联手Sky NZ、加拿大CBC合拍的8集惊悚新剧《#溺湾# The Sounds》确定9月3日2集首播，9月7日第三集，之后每周一播出。 本剧由《穹顶之下》Rachelle Lefevre 和《毒枭》Matt Whelan主演，两人饰演一对夫妻。Maggie和Tom为了逃离Tom家人的压迫，搬到新西兰南部的马尔堡峡湾开始新生活，但Tom失踪后，诸多关于Tom令人不安的实情浮出水面，而这场搜寻揭开了掩埋已久的伤口。
本季收视长期仅得0.5-0.7的ABC剧《谍网》，意外地获ABC预订13集的第三季。
Silent Witness follows the work of forensic pathologist Dr. Sam Ryan, played by Amanda Burton. The series was created by an ex-police officer, Nigel McCrery - who has also published five Silent Witness novels based on the series
