Season 4

01 Hella Duplicitous Episode 112th October 2018 The FBI team hunts a dangerous enemy operative, and a deadly new foe emerges. 02 My Art Project Episode 219th October 2018 The entire intelligence community is put in jeopardy when Remi co-opts an FBI case. 03 The Quantico Affair Episode 326th October 2018 Patterson and Rich DotCom take the reigns as the FBI team faces an explosive threat. 04 Sous-Vide Episode 42nd November 2018 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. 05 Naughty Monkey Kicks At Tree Episode 59th November 2018 A blast from Rich DotCom's past sends the FBI team after a deadly terrorist plot. 06 Ca-Ca-Candidate For Cri-Cri-Crime Episode 616th November 2018 The team is drawn into dangerous political intrigue when a tattoo points to someone from Weitz's past. 07 Case: Sun, Moon, and the Truth Episode 730th November 2018 Remi's schemes put her and Weller in danger, while Patterson and Rich solve a mysterious puzzle at the FBI. 08 Screech, Thwack, Pow Episode 87th December 2018 Remi races against the ever-worsening ZIP poisoning to enact her ultimate plan. 09 Check Your Ed Episode 911th January 2019 The team's desperate gambit to get Jane back puts her head-to-head with Remi. 10 The Big Reveal Episode 1018th January 2019 Reade confronts Zapata, while the team follows a lead to a potential cure for Jane. 11 Careless Whisper Episode 111st February 2019 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. 12 The Tale of the Book of Secrets Episode 128th February 2019 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. 13 Though This Be Madness, Yet There Is Method In't Episode 1315th February 2019 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. 14 The Big Blast from the Past Episode Episode 148th March 2019 An active bomber forces the team to delve into a case from their past. 15 Frequently Recurring Struggle for Existence Episode 1515th March 2019 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. 16 The One Where Jane Visits an Old Friend Episode 1622nd March 2019 Madeline escalates her plan, but the team isn't the only one chasing her down. Rich grows concerned for Boston’s well-being, and Jane seeks help from a familiar enemy. 17 The Night of the Dying Breath Episode 175th April 2019 The team races against the clock to save one of their own after Dominic enacts a nightmarish scheme in a bid for Madeline’s freedom. Tensions soar with Madeline as she makes her own demands. 18 'Ohana Episode 1812th April 2019 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. 19 Everybody Hates Kathy Episode 1919th April 2019 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. 20 Coder to Killer Episode 2024th May 2019 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. 21 Masters of War 1:5 - 8 Episode 2131st May 2019 Dominic begins to enact Madeline's cataclysmic scheme as the team rushes to stop him. Tensions rise as past secrets begin to unravel. 22 The Gang Gets Gone Episode 2231st May 2019 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.