Blake Shelton, Drake, Pharrell, Pitbull, Arcade Fire, Ed Sheeran, Ariana Grande, Luke Bryan, Shakira Kendrick Lamar and Thirty Seconds to Mars all perform on the first “iHeart Radio Music Awards” (NBC, 8 p.m.) live from Shrine Auditorium in Los Angeles. More than 13.2 million cast votes in the competition. Nominees include Maroon 5, Justin Timberlake, Imagine Dragons, Mackelmore & Ryan Lewis (pictured) and Rihanna for artist of the year.
It’s the season finale of “Portlandia” (IFC, 10p.m.), an episode when they really pile on the guest stars. Among them are Jason Sudeikis and k.d. lang. in an episode where feminist bookstore owners Toni and Candace go on a weekend women’s retreat. It’s followed by a preview of the new season of “Maron” (IFC, 10:30 p.m.), which starts next week.
Johnny proposes to Theresa to keep her from taking an out of town job on the season finale of “Sirens” (USA, 10 p.m.). Hope it comes back for another season.
Mother’s day comes early on Turner Classic Movies with “Imitation of Life” (8 p.m.), “White Heat” (10:15 p.m.), “Bachelor Mother” (12:15 a.m.), “The Catered Affair” (2 a.m.) and“The Magnificent Ambersons” (3:45 a.m.).
Bob Newhart returns to his Emmy winning role on “The Big Bang Theory” (CBS, 8 p.m.).
“Vikings” (History, 10 p.m.) reaches its second season finale as well.
Forrest quits a job on a new “Review” (Comedy Central, 10 p.m.).
“American Idol” (Fox, 9 p.m.) is already down to its final five. And after tonight, just four.
Rachel joins the wrestling team on “Surviving Jack” (Fox, 8:30 p.m.); Neil Flynn of “The Middle” guest stars as the coach.
Lucy Liu directs an episode of “Elementary” (CBS, 10 p.m.) because frankly, she has to have something to do.
Not the musical version: “Matilda” (ABC Family, 9 p.m.).
From all the various versions, from “Mirror Mirror” (ABC Family, 7 p.m.) to “Snow White and the Huntsman” (HBO, 6:45 p.m.), this story is getting seriously twisted.
Daytime Talk
Kelly & Michael: Kiefer Sutherland, Bellamy Young, David Gray. The View: David Spade, Debi Mazar, Gabriele Corcos, Mario Cantone. The Talk: Jane Kaczmarek, Paul Stanley, Valentine, Jay Perry, Marie Osmond.
Late Talk
David Letterman: Louis C.K., Amy Sedaris, cast of “Rocky.” Jimmy Fallon: Andrew Garfield, Mary Lynn Rajskub, Chvrches. Jimmy Kimmel: Sandra Oh, “Science Bob” Pflugelder, Boy George. Seth Meyers: Kiefer Sutherland, Rose Byrne, Richard Ayoade. Craig Ferguson: Cheryl Hines, Rampage Jackson. Carson Daly: John Turturro, Off!, Katie Crown, Midlake. Tavis Smiley: Sylvia Longmire, Harry Hamlin. Jon Stewart: David Spade. Stephen Colbert: Saul Williams. Arsenio Hall: Katt Williams, Hezekiah Walker & Choir. Conan O’Brien: Martin Short, Jessica Pare, Kelis. Chelsea Handler: Tyler Glenn, Ben Gleib, Arden Myrin, Tone Bell. Pete Holmes: Phil Hanley.