NCIS The team gets a new member as Maria Bello (“ER”) joins the cast as a forensic psychologist brought to headquarters by Vance (Rocky Carroll, who also directed this new episode). Her arrival vexes Gibbs (Mark Harmon), since she’s the only person on his team who doesn’t answer to him. 8 p.m. CBS
The Voice Two of Jennifer's artists perform a Whitney Houston song; Blake’s artists take on a ’90s alt-rock hit and Adam’s vocalists tackle a current chart-topper in this new episode featuring Rascal Flatts, Billy Ray Cyrus, Joe Jonas and Kelly Rowland. 8 p.m. NBC
The Flash The end of Barry’s (Grant Gustin) six-month...