ION Mystery

The team probes modern-day piracy after six bodies are found off the coast of Miami.

The team delves into the complicated personal lives of members of Miami's judicial community after a man, in possession of a sexy DVD featuring a criminal judge, falls from a building, killing a pedestrian.

A brutal carjacking turns into murder, and the team learns that the victim had a gambling problem that could have bankrupted the family business; Alexx hires a body hauler and must investigate when he is accused of stealing from the dead.

The team investigates when a stockbroker -- who moonlights as a stripper -- is murdered; after a 24-year absence, Booth's mother (Joanna Cassidy) shows up with a request.

The team tries to prevent a viral outbreak during an investigation into a journalist's murder, whose infected body is found at a biohazard facility; when Arastoo Vaziri is affected by the mutated virus, the only way to save him is to solve the case.

Christopher Pelant returns to toy with the Jeffersonian team; an investigation reveals a string of murders tied to FBI agents; Brennan evaluates her relationship with Booth.

The remains of an accountant for the state department are found in a hotel air conditioning unit; Booth finds an Army buddy and CIA agent, Danny Beck, removing evidence from the victim's condo; Brennan contemplates her future with Booth.

The investigation into the murder of a management consultant whose remains were partially eaten by bobcats leads to a marriage retreat site; Cam's identity is stolen; Sweets decides to take a leave of absence.

The team investigates when a gang member's remains are found in a burnt-out car; when Sweets learns that one of the boys from the center where he volunteers is a gang member's son, he decides to help.

The team devises a plan to use a donated cadaver to draw out Pelant; Sweets returns to work and believes Agent Flynn isn't who he seems.

The team investigates the murder of a high school principal who was dying of cancer; Brennan and Booth plan their wedding; a virtual profiling system threatens Sweets' job.

The team tries to keep the details of an investigation away from Brennan so she will focus on her wedding; Max shows up with a suspicious bag of cash.

Unable to relax on their honeymoon, Booth and Brennan decide to help a local detective solve the murder of a Nazi war criminal; Hodgins and Angela look after Christine.

The team suspects that a man who made his money donating sperm was killed by a recipient who learned his records were inaccurate; Brennan enters a feud with a fellow author (Nora Dunn).

A key witness turns up dead in a case for which Brennan is a juror, so the team works to discover what has happened.

Toby and Michelle investigate a murder.

Toby is brought in to investigate some corrupt cops, but finds himself in over his head when one of them ends up dead from a suspected drug overdose.

An imprisoned criminal mastermind holds the key to the whereabouts of a kidnapped judge.

When Michelle and Dev investigate the suspicious death of a CSIS agent, the IIB uncovers a breach of classified intelligence.

Rossi develops some new theories about Everett Lynch, aka The Chameleon; the team sets out on an epic hunt to capture Lynch.

While hallucinating after he gets a brain injury, Dr. Reid is visited by ghosts from his past; the BAU makes a shocking discovery about Lynch that affects Rossi personally; the team comes together to celebrate Rossi's retirement.

The team closes in on a serial killer (Tim Curry) holding Detective Spicer's daughter hostage.

JJ tries to reunite parents with their missing daughter; the team braces for the loss of one of its own.

When several women are murdered, Rossi revisits a 25-year-old case that causes him to suspect a killer is at work again.

The team searches for a serial killer who is preying on married couples; Hotchner looks to a team member to fill JJ's vacant role.

The team pursues a serial killer targeting families in the Midwest; Morgan receives a visit from Ellie after she runs away from her foster family.

The team searches for a killer who has struck the past three years during Detroit's raucous pre-Halloween celebrations.

When bodies turn up in Indiana cornfields, the team must catch a pack of serial killers targeting exotic dancers.

The team tries to stop a killer from striking again after the body of a kidnapped woman is found in an alley.

When an 8-year-old is found dead on the Appalachian Trail, the team searches the forests for a man targeting children.

The team pursues a killer who targets women; Hotchner turns to an FBI cadet for help.

After helping a man get parole, Morgan regrets his decision when the man murders someone shortly after being released.