“In Treatment” (HBO, 9 p.m.) returns after more than a decade, but with a new therapist, played by Uzo Aduba. Among her patients is a home health aide who can’t sleep and a white collar criminal, both of whom are introduced in a pair of episodes tonight. Despite its cast change, and switch of setting to Los Angeles, a lot of the dialog has the rhythms of the original. 

Kevin Iso’s new comedy series “Flatbush Misdemeanors” (Showtime, 10:30 p.m.) looks at life among friends in Brooklyn. 

Aziz Ansari’s “Master of None” (Netflix, streaming) shifts its course a bit for season three, focusing on the relationship of Lena Waithe’s character Denise and her partner.

Speaking of Waithe, her own series “The Chi” (Showtime, 9 p.m.) returns for a fourth season that concentrates on police in Chicago’s Black community.

Also back to night: the welcome comedy “Black Monday” (Showtime, 10 p.m.). 

Say goodbye to “NCIS: New Orleans” (CBS, 10 p.m.), with its final episode after seven seasons. There is a case to close and a wedding to prepare for. 

After last week’s mayhem, “Mare of Easttown” (HBO, 10 p.m.) gets her badge back, but another big confrontation seems imminent. 

The season finale of “American Idol” (ABC, 8 p.m.) determines a winner from between finalists Chayce Beckham, Grace Kinstler and Willie Spence. 

Nick Jonas hosts a live awards show The 2021 Billboard Music Awards (CBS, 8 p.m.) from Los Angeles. Special awards go to Pink and Drake. Performers include DJ Khaled with H.E.R. and Migos, BTS, Bad Bunny, Duran Duran, Karol G, Doja Cat & SZA, Twenty One Pilots, Alicia Keys and the Weeknd.