Watch Criminal Minds Season 8 full episodes online, free and paid options via our partners and affiliates.

The Replicator Is Back
Watch Criminal Minds Season 8 Episode 23
"Brothers Hotchner; The Replicator"
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On The Criminal Minds 9th season finale, the Replicator returns to go after BAU team.

Blake's Decision
Watch Criminal Minds Season 8 Episode 22
"#6"
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Blake must make a decision when her husband returns and proposes a once in a lifetime career opportunity while the team heads to Detroit to track a suspect on Criminal Minds.

Nanny Alert
Watch Criminal Minds Season 8 Episode 21
"Nanny Dearest"
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The BAU team investigates when children and their nannies are abducted on Criminal Minds.

Grand Rapids
Watch Criminal Minds Season 8 Episode 20
"Alchemy"
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The team investigates two ritualistic murders while while Reid continues to grieve Maeve on Criminal Minds.

The Time Capsule Crime
Watch Criminal Minds Season 8 Episode 19
"Pay It Forward"
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When a time capsule is opened after 25 years, an unexpected and gruesome discover sends the BAU team to town on Criminal Minds.

Morgan's Past
Watch Criminal Minds Season 8 Episode 18
"Restoration"
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The latest BAU case may be linked to the person who abused Morgan as a child on Criminal Minds.

Investigating the Bloggers
Watch Criminal Minds Season 8 Episode 17
"The Gathering"
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The team heads off to investigate a group of victims who were posting their personal information on blog site.

The Replicator Returns
Watch Criminal Minds Season 8 Episode 16
"Carbon Copy"
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Has the BAU's stalker returned when victims resembling the Replicator's turn up in Philadelphia on Criminal Minds.

The Stalker Gets Closer
Watch Criminal Minds Season 8 Episode 15
"Broken"
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The person stalking the team gets closer as they head to Austin to investigate victims whose watches are the only clue on Criminal MInds.

The Anniversary Of a Disappearance
Watch Criminal Minds Season 8 Episode 14
"All That Remains"
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The BAU team investigates a writer whose daughters disappear on the anniversary of his wife's disappearance on Criminal Minds.

Investigating In San Francisco
Watch Criminal Minds Season 8 Episode 13
"Magnum Opus"
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The team heads to San Francisco when murder victims begin to pop up in the Mission District on Criminal Minds.

What Is Diana Up To?
Watch Criminal Minds Season 8 Episode 12
"Zugzwang"
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Michelle Trachtenberg guest stars as a genetics research assistant on the winter return of Criminal Minds.

The Unit's Stalker
Watch Criminal Minds Season 8 Episode 11
"Perrenials"
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The team learns someone is replicating the crimes that they are solving on Criminal Minds.

Hunting a Ritualistic Killer
Watch Criminal Minds Season 8 Episode 10
"The Lesson"
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When bodies are found ritualistically altered, the team begins the hunt for the killer while Reid begins to worry about meeting his mystery woman on Criminal Minds.

Alex Heads To Seattle
Watch Criminal Minds Season 8 Episode 9
"Magnificent Light"
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On Criminal Minds, an attendee is killed and the motivational speaker disappears sending the team to Seattle to investigate.

The Missing School Bus
Watch Criminal Minds Season 8 Episode 8
"The Wheels on the Bus"
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On Criminal Minds, when an entire school bus full of children goes missing near Washington D.C., the team is called in to find it.

The Homeless Are Being Burned
Watch Criminal Minds Season 8 Episode 7
"The Fallen"
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On Criminal Minds, when burned bodies of homeless are found around Santa Monica pier the unit is called in to investigate.

Taped Victim
Watch Criminal Minds Season 8 Episode 6
"The Apprenticeship"
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On Criminal Minds, the team heads to Miami to investigate the strange death of a prostitute.

Searching For the Link
Watch Criminal Minds Season 8 Episode 5
"The Good Earth"
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On Criminal Minds, the unit tries to piece together if four men who have gone missing in rural Oregon are linked.

Reviewing the Evidence
Watch Criminal Minds Season 8 Episode 4
"God Complex"
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On Criminal Minds, the team tries to hunt down an amateur surgeon when unwilling amputees show up in hospitals or dead.

A Family Abducted
Watch Criminal Minds Season 8 Episode 3
"Through the Looking Glass"
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When a Kansas family is abducted, the team tries to determine if the case is connected to another family who was murdered on Criminal Minds.

Two Killers Connected
Watch Criminal Minds Season 8 Episode 2
"The Pact"
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On Criminal Minds, the team investigates two killers who may be working together, one in San Diego and one in Los Angeles.

Jeanne Tripplehorn on Criminal Minds
Watch Criminal Minds Season 8 Episode 1
"The Silencer"
Original Air Date:

Jeanne Tripplehorn debuts as Alex Blake on the Criminal Minds premiere. She's a new member of the BAU.

Criminal Minds Season 8 Quotes

Morgan: Hey sweetness. What have you got?
Garcia: Tidbits as juicy as you, love shack.

Camp director: Do you know what the biggest problem in America is today?
Reid: We're losing the war against antibiotic resistance.
Camp director: Smartphones.