Our Barbara: A Special Edition of 2020, a two-hour primetime special, will feature Walters’ most groundbreaking and iconic interviews, never-before-seen behind-the-scenes footage of Walters, and interviews with Bob Iger, David Muir, Diane Sawyer, Deborah Roberts, Robin Roberts and George Stephanopoulos, among others, according to the network. ABC News will profile Walters’ prolific life and legacy, including making history as the first woman to co-anchor network morning and evening newscasts and paving the way for women in broadcast journalism.

An inside account of President Trump's challenge to the results of the 2020 presidential election as told by former White House staff and appointees, including former Attorney General William Barr, and elected Republican officials in Arizona and Georgia who resisted pressure to change the results of the vote in their states.

The documentary investigates the lives and characters of Kamala Harris and Donald Trump as they seek the presidency. In a historic election, those who know the candidates best reveal key moments that shape how they would lead America. Award-winning filmmaker Michael Kirk and his team sat down with Trump and Harris’ friends, advisors and critics, as well as authors, journalists and political insiders to present deeply reported narrative arcs of both candidates’ lives, going all the way back to their childhoods. What emerges in FRONTLINE's "The Choice 2024: Harris vs. Trump" is the story of two fighters: One seeking vindication and promising a return to greatness, and the other seeking to move beyond the past and promising a greater future.

Celebrities, comedians, newsmakers, and the ABC News team look back on the biggest stories, trends and entertainment obsessions that defined the last 12 months.