Stone-faced authorities stepping up to a podium.

Sam Waterston, who has played the spiky, no-nonsense district attorney on “Law & Order” since the mid-1990s, is stepping down.

‘Law & Order’ star dives into series

Jesse L. Martin is in "The Irrational"

New episodes return this week

This week’s new entertainment releases include a new album from Tears for Fears, that familiar “cha-CHUNG” sound effect signals the return to TV of NBC’s “Law & Order” and Tyler Perry’s gun-totting grandmother Madea in a fresh Netflix film.

Monday, September 20th through Thursday the 23rd

Law & Order is back, but this time it’s with something a bit different. Law & Order: Organized Crime welcomes back Christopher Meloni as detective Elliot Stabler who is joined by Dylan McDermott who plays mafia crime boss Richard Wheatley.

Detective Elliot Stabler is coming home. He’s paid a price for his mistakes, but he won’t let that hold him back. Watch the two-episode crossover event that begins with an episode of SVU at 9 p.m. where the squad rallies around Det. Next, the series premiere of the highly anticipated addition to the Law & Order series, Organized Crime, at 10 p.m. Christopher Meloni stars as Elliot Stabler, who returns to the NYPD to take on the city’s most powerful organized crime syndicates and rebuild his life in the wake of a devastating personal loss. Watch the crossover and the series premiere of Law & Order: Organized Crime on Thursday starting at 9 p.m. on Local 4.

Mayor,” the new NBC comedy from Tina Fey, follows a retired businessman (Ted Danson) who runs for mayor of Los Angeles to prove he’s “still got it.” Once he wins, he has to figure out what he stands for, gain the respect of his biggest critic (Holly Hunter) and connect with his teenage daughter, all while trying to get anything right for America’s second weirdest city. The series stars Ted Danson, Holly Hunter, Vella Lovell, Mike Cabellon, Kyla Kenedy and Bobby Moynihan.

Followed by The Paley Center Presents Law & Order: Before They Were Stars! Watch tonight at 9 p.m. on Local 4. Watch tonight at 8 p.m. on Local 4. The Tonight Show Starring Jimmy FallonToday’s new episode will feature Blacklist star James Spader, Chris Paul and musical guest 21 Savage x Metro Boomin. Watch at 12:30 a.m. on Local 4.

While Dr. Halstead and Hannah face a very troubling reality, Dr. Choi, Dr. Lanik and April must fight on the front lines. Watch tonight at 8 p.m. on Local 4. Chicago FireIn the anticipated season premiere, Firehouse 51 welcomes a new member to the team, whose presence could provide some complications. Watch tonight at 9 p.m. on Local 4. Watch tonight at 10 p.m. on Local 4.