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The Rich and the Ruthless

BET+  Season Premiere This behind-the-scenes, dram-com soap that follows the fictional story of the family behind the first Black-owned daytime drama on broadcast television — who stop at nothing to stay in power — returns for its fourth season at its new home on BET’S streaming service, BET+ (the show’s first three seasons streamed on the Urban Movie Channel service, which has recently rebranded as ALLBLK).

Castlevania

Netflix  Season Premiere/series Finale In the epic fourth and final season of the animated series based on the computer game franchise, Wallachia collapses into chaos as factions clash — some attempting to take control, others attempting to bring Dracula back from the dead. Nobody is who they seem, and nobody can be trusted in these end times.

Young Sheldon

CBS, 7 p.m.  Season Finale

Solving a challenging physics problem and annoying his professors is a typical day for 11-year-old East Texas Tech freshman Sheldon Cooper (Iain Armitage). But in the sitcom’s fourth-season ender, “The Wild and Woolly World of Nonlinear Dynamics,” twin sister Missy (Raegan Revord) experiences her first real heartbreak. Here’s hoping the brainiac can pause the logical thinking and just lend a shoulder to cry on.

Mom

CBS, 8 p.m.  Series Finale

The critically lauded comedy series that has explored the power of family, friendship and forgiveness to overcome addiction and personal strife signs o’ after eight seasons. Find out how things end up for Bonnie (Allison Janney), Jill (Jaime Pressly) and

Marjorie (Mimi Kennedy), and see if Christy (Anna Faris) returns for a final appearance in the series finale episode “My Kinda People and the Big To-do.”

Law & Order: Special Victims Unit

NBC, 8 p.m.

The SVU searches for three women suspected of drugging and robbing wealthy men, and the case leads to personal connections for both Benson (Mariska Hargitay) and Kat (Jamie Gray Hyder). Christopher Meloni guest-stars in “Trickrolled at the Moulin.”

B Positive

CBS, 8:30 p.m.  Season Finale

Before their surgeries, Gina (Annaleigh Ashford) looks for a new apartment while

Drew (Thomas Middleditch) celebrates his last day of dialysis in the Season 1 finale “Life Expectancy.”

Restaurant Impossible

Food Network, 10 p.m.

Robert Irvine faces the most di˜cult challenge of his career when he must save an immigrant’s American dream of holding on to her Las Vegas restaurant, Burnt O’erings. Robert must find unique ways to raise revenue and cut costs to keep the dream alive in “Saving an American Dream.”

Flip or Flop

HGTV, 10 p.m.

In “Smelly Time Capsule,” Tarek El Moussa and Christina Haack make a costly decision to open up the floor plan on a stinky 1950s home in Whittier, California. The duo encounter extensive termite and water damage as they try to turn this disgusting and dated house into a modern money maker.

Dark Side of Football

Vice, 11 p.m.  New Series

“I enjoy inflicting pain,” says EX-NFL star Tony Casillas in this football version of Vice’s blood-and-guts Dark Side docuseries formula, with tough guys such as Bill Romanowski weighing in on players’ o’-camera violence.