Elizabeth Vargas News

'Mysteries of the Castle: Beyond Downton Abbey' is a behind-the-butler look at the Downton Abbey world from inside the real-life English Castle that inspired the cult series. A special edition of 20/20, 'Mysteries of the Castle: Beyond Downton Abbey,' is anchored by Amy Robach. The show airs tonight, December 26, 9:00 p.m., ET

President and Mrs. Obama sit down with Barbara Walters at the White House for their first joint television interview this year. In what has become an end-of-the-year tradition, Ms. Walters interviews the President first and then Mrs. Obama will join the conversation.

Incredible drama unfolded recently in an Alabama town when a 5-year-old boy known only as Ethan was held hostage for nearly one week in an underground bunker in Midland City. Jimmy Lee Dykes' diabolical plan to kidnap a child from a school bus resulted in the murder of the bus driver and a six-day standoff with Federal authorities.

On Friday, May 31, Tony nominated writer Nell Benjamin and legendary deep-sea explorer Sylvia Earle - one of the first women admitted to the real Explorers Club in New York - will engage in a conversation to talk about their experiences in their respective fields, following the 8 PM performance of Manhattan Theatre Club's world premiere production of THE EXPLORERS CLUB, a madcap comedy now in previews at MTC at New York City Center - Stage I (131 West 55th Street). The conversation will be moderated by Peabody Award-winning journalist and author Lynn Sherr.

Bob Costas, Rosanne Cash, and Sam Donaldson will be honored at the Sixth Annual WFUV Gala on Thursday, May 9, at Edison Ballroom.

ABC News has been providing special coverage of the manhunt in Boston since 3:37 a.m., ET. Diane Sawyer joined George Stephanopoulos and the "GMA" anchor team in Times Square as the network continued its coverage throughout the morning. ABC News will deliver comprehensive reporting on the developing situation throughout the day and night across all ABC News broadcasts and platforms:

To celebrate the 50th anniversary of 'General Hospital,' Katie Couric and 20/20 travel to the fictional town of Port Charles to experience first-hand the passion, intrigue and adventure that has made the daytime soap opera the longest running scripted drama currently on television.

How well do we really know the people in our lives? The harsh reality is that, as well as you ever know anyone, you can only really know what he or she allows you to see. Our friends are the people we invite into our lives, the people we turn to for advice and support in good times and bad. Sometimes, you think they know you better than you know yourself. But what happens when our friends commit the ultimate betrayal? Tune in as "20/20" takes a closer look at the people in our lives and raises the question… whom can we really trust? With incredible tales of real relationships gone awry, "The Ultimate Betrayal" airs on "20/20" FRIDAY, MARCH 29 (10:00-11:00 p.m., ET) on ABC.

ABC'S '20/20' reveals the inside tricks of the trade to avert travel pitfalls and have the best trip possible. Plus, crazy captains, paranoid passengers, flight attendant freak outs... what's going on in the air these days? 'Travel Confidential' airs on '20/20,' TONIGHT, MARCH 23 (9:00-11:00 p.m., ET) on the ABC Television Network. Anchored by Barbara Walters, reports include: