Pretty Little Liars

Season 2, Episode 5: The Devil You Know

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A shocking discovery finally lays to rest the killer’s identity – until Emily unravels clues that reveal otherwise.

All Episodes - Season 2

It's Alive
Episode 1
It's Alive
 The Goodbye Look
Episode 2
The Goodbye Look
 My Name Is Trouble
Episode 3
My Name Is Trouble
 Blind Dates
Episode 4
Blind Dates
 The Devil You Know
Episode 5
The Devil You Know
 Never Letting Go
Episode 6
Never Letting Go
 Surface Tension
Episode 7
Surface Tension
 Save the Date
Episode 8
Save the Date
 Picture This
Episode 9
Picture This
 Touched by an 'A'-ngel
Episode 10
Touched by an 'A'-ngel
 I Must Confess
Episode 11
I Must Confess
 Over My Dead Body
Episode 12
Over My Dead Body
 The First Secret
Episode 13
The First Secret
 Through Many Dangers, Toils and Snares
Episode 14
Through Many Dangers, Toils and Snares
 A Hot Piece of 'A'
Episode 15
A Hot Piece of 'A'
 Let the Water Hold Me Down
Episode 16
Let the Water Hold Me Down
 Blond Leading the Blind
Episode 17
Blond Leading the Blind
 A Kiss Before Lying
Episode 18
A Kiss Before Lying
 The Naked Truth
Episode 19
The Naked Truth
 CTRL:A
Episode 20
CTRL:A
 Breaking the Code
Episode 21
Breaking the Code
 Father Knows Best
Episode 22
Father Knows Best
 Eye of the Beholder
Episode 23
Eye of the Beholder
 If These Dolls Could Talk
Episode 24
If These Dolls Could Talk
 unmAsked
Episode 25
unmAsked
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