第 4 季 共 22 集
播出时间：2018年10月13日
第 1 集 Hella Duplicitous
播出时间：2018年10月13日
The FBI team hunts a dangerous enemy operative, and a deadly new foe emerges.
第 2 集 My Art Project
播出时间：2018年10月20日
The entire intelligence community is put in jeopardy when Remi co-opts an FBI case.
第 3 集 The Quantico Affair
播出时间：2018年10月27日
Patterson and Rich DotCom take the reigns as the FBI team faces an explosive threat.
第 4 集 Sous-Vide
播出时间：2018年11月3日
A decoded tattoo leads the team to a mysterious cache of dolls which turn out to be vehicles for biological weapons being sent around the world and now to the FBI. Jane exploits the fear of the weapons to advance her own plan to recover Shepherd.
第 5 集 Naughty Monkey Kicks At Tree
播出时间：2018年11月10日
A blast from Rich DotCom's past sends the FBI team after a deadly terrorist plot.
第 6 集 Ca-Ca-Candidate For Cri-Cri-Crime
播出时间：2018年11月17日
The team is drawn into dangerous political intrigue when a tattoo points to someone from Weitz's past.
第 7 集 Case: Sun, Moon, and the Truth
播出时间：2018年12月1日
Remi's schemes put her and Weller in danger, while Patterson and Rich solve a mysterious puzzle at the FBI.
第 8 集 Screech, Thwack, Pow
播出时间：2018年12月8日
Remi races against the ever-worsening ZIP poisoning to enact her ultimate plan.
第 9 集 Check Your Ed
播出时间：2019年1月12日
The team's desperate gambit to get Jane back puts her head-to-head with Remi.
第 10 集 The Big Reveal
播出时间：2019年1月19日
Reade confronts Zapata, while the team follows a lead to a potential cure for Jane.
第 11 集 Careless Whisper
播出时间：2019年2月2日
The murder of a best-selling true crime novelist sends Jane and the team on a hunt for a serial killer detailed in the author's final manuscript, which also features lightly fictionalized versions of the FBI team.
第 12 集 The Tale of the Book of Secrets
播出时间：2019年2月9日
Roman's clues lead to a billionaire hypochondriac with stem cells that could cure Jane, who is now on her deathbed. Patterson and Rich offer to trade the Book of Secrets for the stem cells -- but first they'll have to get it.
第 13 集 Though This Be Madness, Yet There Is Method In't
播出时间：2019年2月16日
Jane and Weller's romantic getaway is cut short when the team must stop Madeline Burke's plans to blow up a building and crash a plane that turns out to be more than the average commercial airliner.
第 14 集 The Big Blast from the Past Episode
播出时间：2019年3月9日
An active bomber forces the team to delve into a case from their past.
第 15 集 Frequently Recurring Struggle for Existence
播出时间：2019年3月16日
Jane's past with Shepherd and Sandstorm both helps and hurts the team's efforts to stop the sale of a device that will weaponize stolen plutonium.
第 16 集 The One Where Jane Visits an Old Friend
播出时间：2019年3月23日
The FBI is hot on Madeline's heels as Jane seeks help from a familiar enemy.
第 17 集 The Night of the Dying Breath
播出时间：2019年4月6日
The team races against the clock to save Jane from a killer's nightmarish scheme.
第 18 集 'Ohana
播出时间：2019年4月13日
Patterson's father, Bill Nye, returns for a case that pits the team against a pestiferous foe. Zapata goes rogue with an old friend. Jane and Weller continue their search for the hooded figure.
第 19 集 Everybody Hates Kathy
播出时间：2019年4月20日
The team discovers an international conspiracy when a deadly weapon is stolen, Jane supports Weller when someone from his past dredges up painful memories, and Patterson and Rich contend with their newly released hacker accomplice.
第 20 集 Coder to Killer
播出时间：2019年5月25日
A horrifying and vengeful villain threatens the FBI. Weller considers his priorities. Zapata and Reade try to navigate their living situation. Patterson explores a budding interest.
第 21 集 Masters of War 1:5 - 8
播出时间：2019年6月1日
Dominic begins to enact Madeline's cataclysmic scheme as the team rushes to stop him. Tensions rise as past secrets begin to unravel.
第 22 集 The Gang Gets Gone
播出时间：2019年6月1日
The team sets out on an international mission to stop an attack from spreading. Madeline attempts to turn the tables as internal conflict threatens relationships within the team.
