New Blacklist, Bang, Backstrom, Mom, Murder, Allegiance, A$$, Odd, Portlandia, Idol, Diaries, Grey’s

New BLACKLIST, BANG, BACKSTROM, MOM, MURDER, ALLEGIANCE, A$$, ODD, PORTLANDIA, IDOL, DIARIES, GREY’S, VIKINGS & SLAP!! MURDER Finale!! Will Forte, Ellie Kemper & Sleater-Kinney On SETH!! Bob Newhart On NAYYAL!! Olivia Wilde On THE DAILY SHOW!! Read the full article on AICN Premiering or returning tonight: My Big Fat American Gypsy Wedding (9pm TLC) Party Down South (9pm CMT) Welcome to Myrtle Manor (10pm TLC)   Last week marked the first week Fox’s “Empire” scored higher ratings than a new episode of broadcast’s (now former?) series champ, CBS’ “The Big Bang Theory.” “American Idol” and “Backstrom” both hit season lows last Thursday. “The Blacklist,” renewed for next season and still quite healthy by NBC standards, matched its all-time low last week. The “Odd Couple” premiere, wedged as it was between “Big Bang” and the “Two and a Half Men” series finale, beat both “Grey’s Anatomy” and “Idol.” Thursdays, Jan.