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April 2023

April is full of new and noteworthy programs on WNMU-TV! From environmental specials commemorating Earth Month, to live performances you expect and love, to historical programs remembering the Holocaust, this month is packed with programs you won't want to miss. 

We continue to celebrate our 50th anniversary as well, with encore rebroadcasts of favorites like Lighthouse Legacy and local performances from Mauvais Sort in Spellbound: Mauvais Sort in Marquette and African pop diva Nainy Diabaté in From Mali to Michigan: A Musical Bridge.

Tune in to WNMU-TV all month long for quality programming. Programs are also available to stream LIVE from our website, or the PBS app. 

Scroll down to learn about this month's featured programs. Shows are organized week by week. All programs are on 13.1 unless otherwise noted.

Celebrating 50 Years of WNMU-TV

April 1

High School Bowl

Season Championship

After 36 games, it's down to just two teams battling for glory in our final game of our 44th season. Who will be our 2023 High School Bowl Champions?? 

Saturday, April 1 at 8/7c.  Repeats 4/3 at 3/2c.

High School Bowl: Season 44 Review

High School Bowl

Season 44 Review

Host Jim Koski reviews the most memorable moments from our 44th tournament season.

Saturday, April 1 at 8:30/7:30c. Repeats 4/3 at 3:30/2:30c.

21st Annual 2022 Americana Honors & Awards

A 2-hour special of the Americana Music Association's 2022 Americana Honors & Awards, featuring performances by Brandi Carlile and Allison Russell, Sierra Ferrell, Indigo Girls, Chris Isaak, Lukas Nelson, Adia Victoria, Morgan Wade, The War and Treaty, Lucinda Williams and many more. 

Saturday, April 1 at 11/10c.

April 2-8

Trailer - Saving Our Theatre - a documentary from Michigan's Upper Peninsula

By Dan Korhonen and Assistant Producer Matt Honold. Documentary of three community theater groups in Michigan’s Upper Peninsula featuring The VISTA Theater, Masonic Theater, and the Keweenaw Storytelling Center.

Sunday, April 2 at 3:30/2:30c.

Red State, Blue Governor

Red State, Blue Governor
Featuring former Kansas Governor Kathleen Sebelius, this story is of a woman in a male-dominated political field and a Democrat in a Republican state, finding the right balance to bring two differing parties together to get things done.  

Sunday, April 2 at 7/6c.

Call the Midwife

Episode 3

As Nancy harbors a secret of her own, Sister Veronica’s new case shocks Nonnatus house.

Sunday, April 2 at 8/7c.  Repeats 4/3 at 12a/11c.

Sanditon: Ep. 3


Episode 3

As Nancy harbors a secret of her own, Sister Veronica’s new case shocks the women of Nonnatus house.  

Sunday, April 2 at 8/7c.  Repeats 4/3 at 12a/11c.

Marie Antoinette

Pick a Princess

Marie Antoinette and Louis XVI banish Madame du Barry from Versailles.

Sunday, April 2 at 10/9c

La Frontera with Pati Jinich

Fronterizos of the Golden Coast

Pati Jinich travels the California part of the US-Mexico border.   

Mondays at 10/9c. ET, begins April 3.

American Experience: The Sun Queen

American Experience
The Sun Queen
Learn about inventor Mária Telkes, who spent her career exploring how to harness the sun’s power.  

Tuesday, April 4 at 9/8c.  Repeats 4/5 at 1a/12c.

Frontline: America and the Taliban, Part 1


America and the Taliban, Part 1

How America's 20-year investment in Afghanistan culminated in Taliban victory. Drawing on decades of on the ground reporting, and interviews with Taliban and US officials, part one of an investigation of the missteps and consequences.

3 Part Series begins Tuesday, April 4 at 10/9c. 


Remarkable Rabbits

Meet the many species of remarkable rabbits and the scientists working to save them.

Wednesday, April 5 at 8/7c.


Arctic Sinkholes

In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate.

Wednesday, April 5 at 9/8c. 

Secrets of the Dead

Leonardo, The Man Who Saved Science

Leonardo’s first dissections were in search of the soul. Uncover new evidence tracing many of Leonardo da Vinci’s inventions to other scientists.  

Wednesday, April 5 at 10/9c.

Ask the DNR Fishing Season, Wildfire Prevention

Ask the DNR

Fishing Season, Wildfire Prevention

In our final DNR episode of the season, Personnel from the Michigan Department of Natural Resources answer questions submitted from viewers on topics including  the spring fishing season and wildfire prevention.  

Thursday, April 6 at 8/7c.  Repeats 4/7 at 3/2c.

Downton Abbey Season 1: Part 4

Downton Abbey
Part 4
The heir crisis at Downton Abbey takes an unexpected turn. Anna unearths Bates' mysterious past.  

Friday, April 7 at 9/8c.

Roadtrip Nation

Leading Edge | Chip In

Three STEM graduates discover how microelectronics lay the foundation for modern life.

Saturday, April 8 at 8/7c.  Repeats 4/10 at 3/2c.

Roadtrip Nation

Making Micro | Chip In

See how semiconductor chips shape every aspect of your life without you even realizing it.

Saturday, April 8:30 at 8/7c.  Repeats 4/10 at 3:30/2:30c.

April 9-15

From Mali to Michigan: A Musical Bridge

To celebrate your 50th anniversary, we are rebroadcasting some of our favorite live performances from the last 50 years, including when African pop diva Naïny Diabaté visited the Upper Peninsula of Michigan in 2005. 

Sunday, April 9 at 3/2c.

Call the Midwife

Episode 4

An emergency gastroenteritis outbreak is declared at the Nonnatus House.

Sunday, April 9 at 8/7c.

Sanditon: Ep. 4


Episode 4

Charlotte attempts to distance herself from Colbourne. Georgiana decides to protect herself.  

Sunday, April 9 at 9/8c.

Marie Antoinette

Queen of France

When the King becomes seriously ill, succession suddenly becomes a reality.

Sunday, April 9 at 10/9c.

My Grandparents' War | Season Two

Kit Harington, Keira Knightley, Toby Jones and Emeli Sandé explore their families’ pasts. 

 Tuesdays at 9 pm ET, begins April 11.  Repeats 4/12 at 1a/12c.

Frontline: America and the Taliban, Part 2

America and the Taliban, Part 2
Part 2 of how America’s 20-year investment in Afghanistan culminated in Taliban victory.  

Tuesday, April 11 at 10/9c.  Repeats 4/12 at 2a/1c.

Nature: The Hummingbird Effect

The Hummingbird Effect
Explore Costa Rica’s biodiversity through its most beloved and vital creatures – hummingbirds.  

Wednesday, April 12 at 8/7c.


Weathering the Future 

Americans use ancient wisdom and new technology to fight extreme weather.

Wednesday, April 12 at 9/8c.  Repeats 4/13 at 1a/12c.

The Earthshot Prize 2022

Celebrate the recipients of The Earthshot Prize – Prince William's environmental award.

Wednesday, April 12 at 10/9c.

Ask the Doctors: Childrens Health

Ask the Doctors

Children's Health

Area professionals in mens health answer questions from viewers on children's health.  

Thursday, April 13 at 8/7c.  Repeats 4/14 at 3/2c.

Downton Abbey Season 1: Part 4

Downton Abbey
Season 2, Part 1
Two years into World War I, Downton Abbey is in turmoil,  as Matthew and other young men go to war.  

Friday, April 14 at 9/8c.

America's Forests with Chuck Leavell


Chuck Leavell does winter in Minnesota! We'll snowmobile through the boreal forest, meet the folks who are restoring the pines along Lake Superior and wrap it up with a rollicking version of Minnesota native Bob Dylan's "Like A Rolling Stone."  

Friday, April 14 at 11:30/10:30c.  Repeats 4/24 at 11:30/10:30c.

Roadtrip Nation


We all want a better future. Meet the people making it a reality. Follow three young people eager to explore purposeful career paths and make a positive impact on the wider world.  

Saturday, April 15 at 8/7c.  Repeats 4/17 at 3/2c.

April 16-22

Lighthouse Legacy

The story of Stannard Rock Lighthouse, and how its two-ton lens was rediscovered.

Sunday, April 16 at 3/2c.

Great Performances

Behind the Scenes of "Remember This"

Experience Oscar nominee David Strathairn as World War II hero and Holocaust witness, Jan Karski. Listen to the creative team explain how they adapted the play for the screen. 

Sunday, April 16 at 6/5c.

Call the Midwife

Episode 5

Nancy oversees a child born out of wedlock, taking a very unexpected and shocking turn.

Sunday, April 16 at 8/7c.  Repeats 4/17 at 12a/11c.

Sanditon: Ep. 5


Episode 5

Charlotte and Colbourne rush to Augusta’s aid. Georgiana is reunited with a ghost from her past.  

Sunday, April 16 at 9/8c.

Marie Antoinette

Rebel Queen

Louis may now be King, but Marie Antoinette is determined to launch her reign as Queen.

Sunday, April 16 at 10/9c.

Shakespeare in the Shadows
Emmy-nominated Shakespeare in the Shadows shows the power of the master dramatist's work—from diminuendo to crescendo, whisper to roar—set against San Francisco backdrops.  

Tuesday, April 18 at 2/1c.

My Grandparents' War: Keira Knightley

My Grandparents' War
Keira Knightley
Follow actress Keira Knightley as she learns new stories of her grandparents’ amazing wartime feats.  

Tuesday, April 18 at 9/8c.  Repeats 4/19 at 1a/12c.

How Saba Kept Singing

David "Saba" Wisnia revisits Auschwitz where he was held during World War II.

 Tuesday, April 18 at 10/9c.  Repeats 4/19 at 2a/1c.

Nature: The Hummingbird Effect

Niagara Falls
Embark to this geological wonder and witness its stunning beauty and the wildlife that calls it home.  

Wednesday, April 19 at 8/7c.  

Changing Planet II

Revisit six of the world's most vulnerable ecosystems and catch up with the inspiring people introduced in the first season.  

Wednesday, April 19 at 9/8c.

Red Power Energy
Can energy development on tribal lands empower a people while powering the nation? And what impact will it have on their culture, economy and the environment?   

Thursday, April 20 at 3/2c.

Ask the Lawyers

Ask the Lawyers
Area attorneys visit the WNMU-TV studios to answer questions from viewers during this live broadcast.

Thursday, April 20 at 8/7c.  Repeats 4/21 at 3/2c

Downton Abbey Season 1: Part 4

Downton Abbey
Season 2: Part 2
Downton becomes a convalescent home with Thomas in charge. Lavinia and Richard's secret comes out.  

Friday, April 21 at 9/8c.

Roadtrip Nation

Being Free

See how people are learning to rebuild their lives and flourish after incarceration.

Saturday, April 22 at 8/7c.  Repeats 4/24 at 3/2c.

April 23-29

Beauty on the Wing: Life Story of the Monarch Butterfly

Explore every stage of the butterfly’s life cycle in vibrant close-up, from egg to adult, as it unfolds along the coasts of New England and in the heart of Mexico’s forested volcanic mountains.  

Sunday, April 23 at 1a/12c.

Spellbound: Mauvais Sort in Marquette

Spellbound: Mauvais Sort in Marquette
French Canadian ensemble Mauvais Sort performs at Northern Michigan University and captures the hearts of the Marquette audience with their energetic music.  

Sunday, April 23 at 3/2c.

My Survivor

Who will tell the story of the Holocaust when the last survivor is gone? Examine the life-changing experiences of University of Miami students who forge intimate relationships with Holocaust survivors through an innovative internship program.  

Sunday, April 23 at 7/6c.

Call the Midwife: Ep. 6

Call the Midwife

Episode 6

Sister Veronica spearheads a new initiative to monitor the health of working children in the borough.  

Sunday, April 23 at 8/7c.  Repeats 4/24 at 12a/11c.

Sanditon: Ep. 6


Episode 6

Charlotte learns a shocking revelation. Georgiana’s worst fears come true.  

Sunday, April 23 at 9/8c.

Marie Antoinette

Deus Ex Machina

Marie Antoinette’s brother, Joseph, works to save the Franco-Austrian nuptial alliance.

Sunday, April 23 at 10/9c.

Independent Lens: Free Chol Soo Lee

Independent Lens

Free Chol Soo Lee

The rollercoaster life story of Chol Soo Lee, a Korean immigrant wrongfully convicted of murder.  

Monday, April 24 at 10/9c.


The Secret Crown
A Guatemalan coral reef discovery marks an exciting new chapter in understanding and saving corals.  

Wednesday, April 26 at 8/7c.

NOVA: Chasing Carbon Zero

New Chasing Carbon Zero
Here’s how the U.S. could reach net-zero carbon emissions by 2050.  

Wednesday, April 26 at 9/8c.

Iconic America: Our Symbols and Stories with David Rubenstein Fenway Park

Iconic America: Our Symbols and Stories with David Rubenstein
Fenway Park
Baseball is America’s pastime and obsession, and no ballpark is more iconic than Fenway Park, home of the Boston Red Sox. The story of a city’s loyalty to its team and love for its ballpark through thick and thin.  

Wednesdays at 10/9c, begins April 26.

Ask the Doctors: Brain & Spine

Ask the Doctors

Brain & Spine

Area medical professionals answer questions from viewers pertaining to the brain and spine.  

Thursday, April 27 at 8/7c.  Repeats 4/28 at 3/2c.

Blackmail: Classic Film of the Month

Classic Film of the Month
This 1929 British thriller drama is directed by Alfred Hitchcock and features Anny Ondra, John Longden, and Cyril Ritchard. Based on the 1928 play, the film is about a London woman who is blackmailed after killing a man who tries to rape her.  

Friday, April 28 at 9/8c. 

The Gennett Suite 
A performance by the Indiana University student jazz ensemble pays tribute to Jazz Age titans.  

Friday, April 28 at 10:30/9:30c.

High School Bowl: Gwinn vs Negaunee; Mackinaw City vs Watersmeet

Roadtrip Nation

Small Town Tech

Three small-town locals set out to discover where they fit into the world of technology.

Saturday, April 29 at 8/7c.  

April 30

Mystic Michigan
Mark Jager hosts an exploration of the Portland Cement Company’s abandoned company town in Lake County, central Lower Peninsula, just north of the old resort area of Idlewild.  

Sunday, April 30 at 3/2c.

Great Lakes Now "Fading Stars and River Bugs"

Great Lakes Now Series
"Fading Stars and River Bugs"
Learn about citizen science with a look at initiatives to chart changes in the night sky, count insect larva to measure the health of our waterways, and The Catch offers news from around the Great Lakes.

Sunday, April 30 at 3:30/2:30c.

Call the Midwife: Ep. 7

Call the Midwife

Episode 7

Preparations for Trixie and Matthew’s wedding are underway. A joyous occasion brings everyone together.  

Sunday, April 30 at 8/7c. 

Tom Jones

Episode 1

Tom and Sophia hit it off, despite their wildly contrasting backgrounds. Molly complicates the picture for Tom and Blifil for Sophia.   

Sundays at 9/8c, begins April 30.

Marie Antoinette


Pregnant Marie Antoinette’s reputation is attacked. Louis demands a full investigation.  

Sunday, April 30 at 10/9c.