Grammy Awards Show (8pm, CBS) - LL Cool J hosts the 56th annual event, which airs live from Los Angeles. Scheduled to perform are Paul McCartney and Ringo Starr (!!), Katy Perry, Taylor Swift, John Legend, Macklemore and Ryan Lewis, Keith Urban, Pharrell Williams, Daft Punk, Carole King, Stevie Wonder, Robin Thicke and many others.
Bob’s Burgers (8:30pm, Fox) - To keep pace with a rival restaurateur, Bob hires a documentarian to shoot a Super Bowl commercial and a former pro-football star to act as his celebrity spokesman.
True Detective (9pm, HBO) - An obscured image in a church leads Hart and Cohle to a tent-revival minister, whose parishioners point to a man they believe was seen with Dora Lange, but when a sex offender who matches their description is interrogated, Cohle dismisses him, even though he offers a confession.
Downton Abbey (9pm, UNC-TV) - In part 4, Bates attempts to learn what’s troubling Anna, while Thomas finds a new ally on the staff. Last week’s episode will repeat at 8.
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Sherlock (10pm, UNC-TV) - In “The Sign of “Three,” Holmes faces a daunting challenge: delivering the best man’s speech on Watson’s wedding day. He also tackles another task: trying to stop a killer who may be stalking the wedding reception.
Episodes (10:30pm, Showtime) - Matt tries to get Sean and Beverly to kill him off “Pucks” so that he can pursue a better role on a new series.