Starring: Patricia Arquette, Sofia Vassilieva, Miguel Sandoval, Maria Lark
Everything Comes To A Head (3) - S3-E22
Other mistake: The killer is caught by the victim's hand phone recording the murder. The recording begins with the murderer knocking on the door And Then the murder itself. Only problem is the record button wasn't pressed until after the knock on the door.
Continuity mistake: When Walker tries to suffocate Allison her teeth are covered in blood in some shots but clean in others.
Allison Dubois: I just had a weird dream.
Joe Dubois: Of course you did. It's a day ending in "Y."
Trivia: In "Four dreams" the alternative Allison who doesn't have children looks at some kids in a restaurant and gets a dreamy look on her face. The mother of the children she is admiring addresses her daughter as "Sofia". The "real" Allison's daughter Ariel is played by actress Sofia Vassilieva.