What To Watch: Billions Returns, Supergirl Has Lex Appeal And More

On TV this Sunday: Billions returns with an unlikely alliance, Lex marks his spot on Supergirl, The Circus folds its tent and NCIS: LA heads for a wedding. Here are 12 programs — but no new When Calls the Heart — to keep on your radar; all times are Eastern:

RELATED Broadcast TV Scorecard: What's Renewed? What's Cancelled?

Showtimes for March 17, 2019

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American Gods

Starz

A vengeful Mr. Wednesday preps for battle; Laura and Mad Sweeney chase Shadow's diminishing light after he disappears. (Hear the big news?!)

American Idol

ABC

Among the L.A., Louisville, NYC and Coeur d’Alene, Idaho auditions is "one of the favorite voices Katy Perry has ever heard." And she has heard Russell Brand.

The Circus

Showtime

Midseason finale: "What The F*** Happens Next?" explores the obstacles facing Trump's presidency, including facts a growing field of 2020 challengers.

The Simpsons

Fox

As Bart begins to excel in video game competitions, Homer discovers a passion for coaching him.

Supergirl

The CW

Furloughed from prison due to failing health, Lex Luthor (Two and a Half Mennnnn's Jon Cryer) visits his sister Lena to seek help in finding a cure; James' sister (guest star Azie Tesfai) comes to town, apparently to stay!

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Billions

Showtime

Season 4 premiere: As Bobby and Chuck form an uneasy alliance, one is determined to destroy Taylor while the other struggles to regain power.

NCIS: Los Angeles

CBS

As the NCIS fam readies for Kensi and Deeks' wedding, an old acquaintance pays the groom a surprise visit — and he isn’t alone. (Read preview.)

Now Apocalypse

Starz

Ulysses researches alien conspiracies; Ford catches a break as a screenwriter; Carly attends acting class; Severine and Ford explore non-monogamy.

Tricky Dick

CNN

The four-part docuseries explores Richard Nixon's life and times, tracking his rise, fall, comeback and political destruction -- from the game-changing Kennedy-Nixon debates through his Watergate exit.

The Walking Dead

AMC

The painful secrets of a traumatic past event continue to haunt Alexandria. (Ride With Norman Reedus' Season 3 finale airs at midnight; already renewed.)

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Good Girls

NBC

Tensions between the women, Boomer and Mary Pat reach a boiling point; Beth must intervene when Kenny gets in trouble at school.

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High Maintenance

HBO

Season 3 finale: The Guy connects with high-school friends Sarah and Brian, who are visiting the city under difficult circumstances. (Get renewal status.)

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