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Silver-anniversary concert of the stage musical, in London. With Alfie Boe, Nick Jonas, Norm Lewis, Matt Lucas and Lea Salonga on Les Misérables 25th Anniversary Concert at the O2 at 7 p.m. Sunday.

Host Jim Carter celebrates Downton Abbey with a sneak peek of the movie, interviews with the cast and creators, and never-before-seen video clips on Downton Abbey Returns! at 11 p.m. Sunday.

Il Volo celebrates 10 years with a concert from Matera, Italy, that includes new arrangements of their greatest hits as well as new music on Il Volo: Ten Years at 7 p.m. Monday.

Grammy Award winner David Foster explores the music of his career with guests Loren Allred, Pia Toscano, Fernando Varela, Sheléa, Katharine McPhee and more on Great Performances An Intimate Evening With David Foster at 8:30 p.m. Monday.

Dr. Michael Merzenich reveals how to rejuvenate the brain and maintain cognitive fitness as one ages; host Maria Shriver on Brain Secrets With Dr. Michael Merzenich at 10:30 p.m. Monday.

Actors Melissa McCarthy and Eric Stonestreet retrace their ancestral journeys on Finding Your Roots With Henry Louis Gates, Jr. at 7 p.m. Tuesday.

The making of the documentary series Country Music by Ken Burns, which details the history of country music in America; host Kathy Mattea on Ken Burns: Country Music at 8:30 p.m. Tuesday.

Musicians celebrate the Country Music documentary series by Ken Burns with a concert at the Ryman Auditorium in Nashville, Tenn on Country Music: Live at the Ryman at 10 p.m. Tuesday.

Anthropologist Niobe Thompson travels the world to uncover how the relationship between humans and horses evolved on Nature Equus: Story of the Horse: Chasing the Wind at 7 p.m. Wednesday.

Celebrities, cast members and Joanne Rogers recall their favorite moments from "Mr. Rogers' Neighborhood" as they celebrate the 50th anniversary of the series on Mister Rogers: It's You I Like at 8:30 p.m. Wednesday.

Host Keeley Hawes explores the Durrell family's secrets, heartbreaks and triumphs, and looks at how Corfu shaped the personalities and ambitions of each family member on What the Durrells Did Next: A Masterpiece Special at 10 p.m. Wednesday.

Downton Abbey cast members and creators reveal behind-the-scenes stories from the series and discuss clips from the feature film; host Deborah Roberts on Downton Abbey Live: Cast, Creators & Spoilers Too! at 7 p.m. Thursday.

A tour of James Avery's jewelry factory; sliding down a dam on the Guadalupe River; craft beer; Stonehenge II; vintage general store on The Daytripper Kerrville, TX at 8:30 p.m. Thursday.

Amplifying stories and issues important to Austin on Decibel at 7:30 p.m. Friday.

Bridget Lancaster, Julia Collin Davison, Jack Bishop and Adam Ried present a countdown of the 20 most popular recipes from the series on America's Test Kitchen 20th Anniversary Special at 8 p.m. Friday.

The Filipino community in Seattle, including Filipino-American chefs and their influence on the city's food scene on No Passport Required Seattle at 9 p.m. Friday.

Chefs Marcus Samuelsson and Vivian Howard visit Grand Central Market to explore the food scene in Los Angeles on Chefs Marcus and Vivian: A Taste of What's Next at 10 p.m. Friday.

Miguel blends funk, rock, hip-hop and electronica with War & Leisure; Canadian singer Alessia Cara on Austin City Limits at 10:30 p.m. Friday.