BONES: Brennan and Booth interview a competitive gymnast whose friend and fellow gymnast was murdered. (Patrick McElhenney/FOX)

A gruesome murder shakes “Bones” (Fox at 8 p.m.) when the crew investigates a nationally ranked gymnast who is murdered and her remains are hit by lightning and then strewn about a park. Evidence suggests that she was leading a double life, but Booth is more puzzled by Brennan’s empathy for the victim’s father. Olympic gymnast McKayla Maroney guest-stars.

Nick and Hank are forced to deal with an apparent case of demon possession on “Grimm” (NBC at 9) that involves the Wesen Council. Elsewhere, Rosalee struggles with her loyalties, and Capt. Renard attends to family matters.

The Chances get new neighbors on this week’s “Raising Hope” (Fox at 9), and Burt begins to think there’s something more to them than meets the eye. Then, Burt and Virginia spot the problem in Jimmy and Sabrina’s marriage and try to put the spark back between them using their own experiences as a guide.

In the one-hour special “The Improv: 50 Years Behind the Brick Wall” (Epix at 10), some of the biggest names in comedy pay tribute to the legendary New York/Hollywood stand-up stage founded in 1963 by Budd Friedman. From the stage’s earliest days in New York City to a Hollywood expansion and beyond, interviewees have included Jerry Seinfeld, Ray Romano, Jay Leno, Kathy Griffin, Jimmy Fallon, Sarah Silverman, Keenen Ivory Wayans and Judd Apatow.

Nominations for the 2014 Grammy Awards are announced this year on a particularly star-studded “Grammy Nominations Concert Live” (CBS at 10). LL Cool J lends his talents to the hour-long show, which includes performances by Drake, Robin Thicke and Keith Urban from the Nokia Theatre in Los Angeles.

Rock star Bono and actor Johnny Galecki join the “Late Show With David Letterman” (CBS at 11:35), with musical guest Kings of Leon.

Former president George W. Bush and Laura Bush come to “The Tonight Show With Jay Leno” (NBC at 11:35), with a musical performance from Ben Harper with Charlie Musselwhite.

Television host Barbara Walters and actor Josh Gad are on “Jimmy Kimmel Live” (ABC at 11:35), with musical guests Fall Out Boy.

A stand-up comedian with a knack for physical humor, Chris D’Elia is honored again with another outrageous special titled “Chris D’Elia: White Male. Black Comic” (Comedy Central at midnight). Since acting up in church at the age of 16, D’Elia has been on a steady rise showing off as tour buddy to Jo Koy and Carlos Mencia and owning a number of past comedy specials on Showtime and Comedy Central.

— Rachel Lubitz