Tonight’s picks

Idina Menzel

6 p.m. on Nat. Geo. 9/11: One Day in America: Told in Full

Marking the 20th anniversary of the 2001 terror attacks on New York’s World Trade Center, filmmaker Daniel Bogado’s six-episode docuseries takes a fresh look at that assault via archival footage, eyewitness accounts, interviews with survivors and some previously unaired footage. Produced in partnership with the 9/11 Memorial & Museum, the series opens with “First Response,” which chronicles how the first firefighters arrive on the scene for their race against time to rescue trapped civilians after a hijacked airliner slams into the North Tower.

8 p.m. on KVPT Lucy Worsley’s Royal Myths & Secrets

Royal historian Lucy Worsley returns with three new episodes of this continuing series, in which she revisits three tumultuous periods — the Reformation, Regency Era and Russian Revolution — and fact-checks the lore of each. In tonight’s opener, “Henry VIII’s Reformation,” Worsley explores whether King Henry VIII’s wish to divorce Catherine of Aragon and marry Anne Boleyn was the real reason England split from European Catholicism.

9 p.m. on KVPT WICKED in Concert

Co-hosted by original stars Idina Menzel and Kristin Chenoweth, this new two-hour musical special celebrates the reopening of Broadway with a salute to Stephen Schwartz’s blockbuster musical reimagining of “The Wizard of Oz.” Musical highlights include some of the show’s biggest tunes, including “Defying Gravity,” “Popular” and “For Good.” Also appearing during the telecast are Rita Moreno, Ariana Debose (the upcoming Steven Spielberg remake of “West Side Story”), Tony Award winner Gavin Creel, Alex Newell (“Zoey’s Extraordinary Playlist”) and Amber Riley (“Glee”).