1. Swimmer's Calculus
When bodies wash up on the Maryland shoreline, the BAU races to find the UnSub. After surviving a prison attack, Elias Voit has been placed in a medically induced coma while Rossi is investigated for the incident.
Criminal Minds — Season 18
The new season picks up six months after fellow inmates attacked the notorious Sicarius Killer, Elias Voit, leading his restless followers on the dark web to begin wreaking havoc all over the country. In order to stop this nefarious group from killing more innocents, the BAU is forced to work alongside an increasingly unpredictable Voit, who of course has his own agenda.
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2. The Zookeeper
Voit awakens from his coma. The team finds videos from a dormant Sicarius Network killer called "The Zookeeper" indicating that the network has reactivated. With Voit still in recovery, the BAU must tackle this reawakened network on their own.
3. Time to Say Goodbye
Rossi and Lewis enlist the help of Ramona, Voit's sole survivor, to help unlock Voit's memory. JJ and the team say goodbye to Will.
4. I'm Fine, It's Fine. Everything Is Fine
While the team works an organ harvesting case, Voit's recovery process leads him to suspect he is more likely a prisoner than victim. JJ finds a cryptic video posted to the BAU-Gate website of a masked UnSub that could be connected to Voit's network.
5. The Brutal Man
JJ works with Dr. Ochoa to help Voit process the truth about his violent past, and tells him that one of his followers has a message from a mysterious unsub who appears to be organizing the remaining members of Voit's serial killer network.
6. Hell Is Empty…
The team investigates a network killer who buries his victims alive, and Tara confronts Rebecca's ex who has recently re-entered her life. Ronald Graber delivers a message from his Disciple to Voit.
7. …All the Devils are Here
Network UnSubs torture and kill hostages as Voit works with the BAU to stop them. Rebecca's ex, Evan Delray, is appointed Voit's new liaison.
8. Tara
When the team works to hunt down the person who shot Tara, they discover "The Disciple" deliberately had them chasing their tails. While undergoing critical surgery, Tara gets to the root of her relationship issues.
9. CollateRal
The team inches closer to uncovering the identity of "The Disciple", someone they believe is linked to Voit's past, but Voit's unpredictable behavior puts their progress in jeopardy.
10. The Disciple
After Voit and Ochoa are kidnapped by "The Disciple", the team races to find them. While in The Disciple's custody, Voit wrestles with keeping the monster inside him at bay.