TV Schedule for Oxygen (WVLT-TV5) Knoxville, TN

A Plan to Kill Silenced to Death

A young woman vanishes from small-town Oregon after heading to a Halloween party,leaving her family devastated and detectives hitting dead ends.Years later,new evidence from an unlikely source reveals the gruesome plan to silence a vulnerable victim.

Dateline: Unforgettable Out of the Darkness

A wife calls 911 to report her husband has been shot on a country road in Texas; what she tells investigators next makes this case memorable for Josh Mankiewicz.

Dateline: Unforgettable Justice for Nikki

Andrea Canning looks back on the case of a fitness tracker who helps detectives solve the mystery of a young woman's death in Wisconsin; Andrea confronts the killer in a tense interview.

Dateline: Unforgettable House of Secrets

When a star athlete at an Ivy League university goes on trial for murder, sparks fly in the courtroom; the trial ends with a stunning decision that Dennis Murphy will never forget, but the surprises in the case are just beginning.

Dateline: Unforgettable The Black Widow of Lomita

A California woman's two former husbands are mysteriously murdered nearly 20 years apart; Keith Morrison reflects on the case that sent him halfway across the world on a hunt for answers.

Dateline: Unforgettable The Pink Gun Mystery

A pink gun leads to an arrest when a complicated Texas love triangle ends in murder, but new evidence makes investigators rethink the case.

Dateline: Unforgettable The House on Shalimar Way

When Leslie Neulander dies after what seems like an accidental fall in the shower, her book club friends join forces to seek justice on her behalf; Andrea Canning reflects on some of the most determined women she's ever met.

Dateline: Unforgettable 65 Seconds

An apparent home invasion in Minnesota leaves Heidi Firkus dead and her husband hospitalized; for Blayne Alexander, getting to know Heidi through loved ones was a privilege; for investigators, learning about Heidi helps solve the case.