HANNIBAL: Will fights for his innocence in the season two opener. (Brooke Palmer/NBC)

“Dateline NBC” (NBC at 8 p.m.) takes on the Oscar Pistorius case, revealing key witness interviews and other developments in the case against Pistorius, who is accused of killing girlfriend Reeva Steenkamp in February 2013.

Utah Jazz CEO Greg Miller works under the radar as part of the organization’s dunk team during a halftime show on “Undercover Boss” (CBS at 8).

“Shark Tank” (ABC at 9) hears pitches ranging from a new dating service to an eco-friendly alternative to paper towels, and a cure for the sting after shots.

SERIES PREMIERE: Each week, one of America’s hottest companies will invite four job candidates to compete for a six-figure executive position on “Inside Job” (TNT at 9).

Nick and Juliette investigate a serial cop killer on “Grimm” (NBC at 9) who they think has a Wesen connection, while Monroe tries to persuade his parents to accept the choices he has made.

SERIES PREMIERE: A business-makeover series headlined by British entrepreneur and millionaire Peter Jones, each episode of “Save Our Business” (TNT at 10) will have Jones assessing the major problems facing a struggling company and designing a plan to help save it from collapse.

SERIES PREMIERE: A rare-stone collector searches dangerous locations around the world to find valuable gems on“Game of Stones” (Discovery at 10). Rubies from Cambodia are sought in the opener.

RETURNING SHOW: Will fights to prove his innocence while Alana deals with her strained relationship with him on the Season 2 opener of “Hannibal” (NBC at 10). Cynthia Nixon and Gillian Anderson guest-star.

RETURNING SHOW: Betty White is launching a salad dressing and giving out awards for best pranks in the Season 3 opener of “Betty White’s Off Their Rockers” (Lifetime at 10).

Cameron Diaz and Ralph Fiennes are on “The Tonight Show Starring Jimmy Fallon” (NBC at 11:35), with celebrity chef Mario Batali.

Animal trainer Jack Hanna comes to the “Late Show With David Letterman” (CBS at 11:35), with comedy from Jake Johannsen.

Actor Jonah Hill and Willie and Korie Robertson of “Duck Dynasty” swing by “Jimmy Kimmel Live” (ABC at 11:35), with music from New Politics.

“Joe Rogan: Live From the Tabernacle” (Comedy Central at midnight) puts Rogan at the helm of another stand-up special in which he tackles subjects such as circumcision and the realities of married life.

— Rachel Lubitz