The vote is finally in the hands of the viewers on “The Voice” as the remaining 12 singers take their cases to America for the live shows. The coaches, however, still have the power to save someone who gets the boot. 8 p.m., Channel 5.
Season 10 of “The Deadliest Catch” opens with the guys facing added pressure due to a shortened crabbing season. Remind us to take our Dramamine. 9 p.m., Discovery.
“Nashville: On the Record” is a special in which cast members of the music-centric soap perform songs from the show and songwriters discuss their craft. 10 p.m., Channel 4.
“Black Box” has the makings of one long head trip. It’s a drama about a bipolar neuroscientist (Kelly Reilly) who struggles with her own demons while treating patients. Vanessa Redgrave plays her therapist. 10 p.m., Channel 4.
“Writers Room” is a must-see series for those who relish behind-the-scenes intel on their favorite shows. Tonight, host Jim Rash quizzes writers from “The Walking Dead” on how they deal with all the blood and guts. 9 p.m., Sundance.
On this week’s installment of “The Real History of Science Fiction,” we explore space (or the final frontier), from the terrifying scenes of “Alien,” to the epic craziness of “Star Wars.” 10 p.m., BBC America.
Chuck Barney, Contra Costa Times