The Best Episodes of 20/20 Season 42

14-year-old girl reported missing after she doesn't come home from school; Kidnapping survivor recalls life in captivity and how she kept hope alive.

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A high school cheerleader and football player's tumultuous relationship; Teen found dead in her bed from a gunshot to her head; Today, convicted killer apologizes for shooting ex-girlfriend

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Interview with Elizabeth Thomas, who was taken at age 15 by her Tennessee high school teacher, resulting in a 38-day nationwide manhunt.

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Stories of Americans who followed their dreams and started new careers later in life, including a woman who quit her finance job to pursue acting, and a woman who became the oldest person to graduate the from the Houston Police Academy.

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Audio detailing the night Prince nearly died from overdose on plane; Prince suddenly dies at Paisley Park from fentanyl overdose.

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Teacher's gruesome 1992 death launches decades-long mystery; Pennsylvania teacher's 1992 death grows cold

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An exclusive sit-down interview with first lady Melania Trump.

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11-year-old arrested for his pregnant soon-to-be stepmother's murder: Why police believe ex-boyfriend was not connected to woman's murder; What it's like to be 11 years old and accused of murder

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A $3.5 million mansion, a beautiful family's future up in flames; Closing in on the brutal killer in DC mansion murders; Friends, family testify against suspect at trial for DC mansion murders

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Former hockey star's young family shattered by wife's murder at home; Manhunt begins for brutal killer of mother of two; 7-year-old daughter becomes key eyewitness in attack on mom.

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From Michelle Obama's humble Chicago upbringing to the White House; Michelle Obama opens up about miscarriage, IVF and marriage counseling

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26-year-old face transplant recipient: 'I see me'; Face transplant recipient's mom learns about renowned reconstructive surgeon

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How the idea for 'Mary Poppins Returns' was born; 'Mary Poppins Returns' star Emily Blunt on making the role her own

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A daughter fights for justice after her mother was allegedly killed in husband's murder-for-hire plot.

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Texas couple's wedding anniversary celebration ends in tragedy; Woman discovered tied up in a closet, husband stabbed, beaten to death; Woman's family believes husband's killer is still out there

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Looking back at the legacy of a president.

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Chris and Shanann Watts' seemed to be in love, say friends, family; In a shocking statement, Chris Watts describes how he killed his wife; Shanann Watts and her two daughters are found dead.

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Gypsy Rose Blanchard opens up about why she plotted to kill her mother and explains what life was like with her; Nicholas Godejohn, Gypsy's ex-boyfriend, alleges that Gypsy was the mastermind behind the murder and he was a hired hit man.

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A look back at the notorious Bobbitt case from 1993 with an exclusive new interview with John Wayne Bobbitt.

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In a case that remains shrouded in mystery, actor Robert Blake speaks to "20/20" thirteen years after he was acquitted in his wife's murder.

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Jim and Tammy Faye Bakker were among the most famous televangelists in America when their religious empire came crashing down amid sex and financial fraud scandals.

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Steven and Cary Stayner: The tale of two brothers' horror and heroism.

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After "BTK" serial killer Dennis Rader's shocking confession, his daughter had to find ways to cope with her new, shattered reality.

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When Stacey Castor's second husband dies suddenly, investigators learn her first husband is also dead. Castor is suspected of murdering her second husband and poisoning her own daughter.

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During the 1970s, the notorious serial killer had murdered dozens of women on a rampage that took him across the Pacific Northwest and eventually to Florida.

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