20/20

- Season 43

(1978)

In the 1970's, a notorious serial killer makes a winning appearance, as a contestant on a popular dating show, in the midst of his killing spree;

New insight into the murder of JonBenet Ramsey; the video diaries of legendary detective Lou Smit, who was brought out of retirement to investigate the murder of the child beauty queen;

A man, who claims to have killed his wife while sleepwalking, opens up about the incident, his children, and his life in prison;

On the anniversary of Anna Nicole Smith's death, her daughter visits the most influential places in her mother's life;

A world-renowned surgeon is caught in a web of lies and deceit by his fiancee;

In her first interview since being released, after serving 20 years in prison for her husband's murder, Margaret Rudin discusses her desire to prove her innocence and life, now, as a 77-year-old great-grandmother;

An investigation into the past of Lori Vallow, whom authorities had arrested in Hawaii following the disappearance of her two children, Tylee Ryan and Joshua "JJ" Vallow, charging her with desertion and nonsupport of dependent children, and concealing and destroying evidence.

A twisted love triangle, involving a married couple and a young bar hostess, results in her disappearance;

Crime novelist Scott Turow talks about the 1996 murder of Angie Dodge, which landed the wrong man in prison for 20 years;

The nation responds to the recent wave of violence against Asian-Americans;

A courageous mother, whose daughter mysteriously went missing, finds justice with the help of another mom she never met;

Convicted murderer Lyle Menendez speaks from prison, following his and brother Erik's recent TikTok fame. The slant of this show "blames the victims" by suggesting that the murders were caused by the parents' poor upbringing of their sons.

The search for a killer, whose reign of terror, over four days, left five Florida college students dead;

A family discusses their seemingly perfect husband and father's deadly secret;

An intimate portrait of George Floyd's life, following Derek Chauvin's murder conviction;

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New interviews reveal shocking info on a botched murder investigation;

Eighteen years after being convicted of his pregnant wife's murder, Scott Peterson may receive a new trial;

New details in the case of a missing mom, who secretly ran an expensive escort business;

The couple, at the center of the so-called "Gone Girl" kidnapping case, reveals new details;

In this special edition of 20/20, Erin Brockovich returns to Hinkley, California after 10 years. Also featuring "Rebel" TV series creator and executive producer, Krista Vernoff.

An interview with Fort Hood soldier Vanessa Guillen's fiance, one year after her brutal murder;

An inside look at the life of socialite Ghislaine Maxwell, Jeffrey Epstein's alleged co-conspirator;

A group of 20-year-olds, whose mothers were pregnant with them when their fathers were killed in the 9/11 attacks, and their families talk about their lives;

The personal side of poet and activist Amanda Gorman, including her views on fame and the role of activism in her work; Anna Wintour talks about Gorman's role as co-chair of the 2021 Met Gala;

DNA evidence links two former Stanford University employees to the 1973 murders of Arlis Perry, Leslie Perlov, and Janet Ann Taylor, featuring an interview with the family of one of the convicted killers;

A prison interview with Nanette Packard, who is at the center of a deadly love triangle with wealthy businessman Bill McLaughlin and former NFL player Eric Naposki;

How Anna Sorokin, known as the "Soho Grifter", had fascinated the world and had conned the highest social circles into believing she was a German heiress worth millions; featuring an interview with Sorokin, following her release from prison;

David Muir interviews survivors and family members who lost loved ones in the attacks on the World Trade Center, the Pentagon, and United Flight 93 in Shanksville;

A look at the greed and murder behind the rise of the male exotic dance troupe, the Chippendales, and its creator, Steve Banerjee; there are interviews with retired FBI special agent Scott Garriola and former Chippendales dancer Read Scott;

High school principal Joe Bryan spends more than 30 years behind bars for his teacher wife Mickey Blue Bryan's murder, which many believe that he didn't commit;

The mysterious disappearance of the first wife of an accomplished surgeon with a hidden dark side;

The internet sleuths who helped crack the Gabby Petito case and questions about what's next;

A woman frames her boyfriend for murder and implicates herself, but the real culprit is a serial killer;

A mother spends time behind bars for her son's murder, until a "20/20" viewer helps crack the case;

Children from the Turpin family, who were held captive in their California home, discuss how they endured harrowing conditions, including starvation and violence, and reveal details about their rescue.

Friends and family of Armaud Arbery reflect on his life and his mother's quest to find truth and justice, after he was tragically killed; documenting the aftermath of Arbery's killing, featuring interviews with the attorneys involved in the case;

A step inside the new "West Side Story", from director Steven Spielberg, featuring interviews with the cast and crew, and discussions with Puerto Ricans on the role this story has had on their lives.

A look into the events leading up to the deadly shooting on the set of "Rust" and the pending investigations into what when wrong;

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