'BLACK BOX': Catherine (played by Kelly Reilly, above) realizes her feelings for Dr. Bickman might be mutual. (Patrick Harbron/ABC)

After they receive their coveted black jackets, the six remaining chefs prepare tailgate goodies for University of Southern California football fans on “Hell’s Kitchen” (Fox at 8 p.m.).

Dr. Black works on a music study while Catherine treats a street musician’s tremors with the help of an unexpected source on “Black Box” (ABC at 8).

FINALE WATCH: In what seems like an attempt to forget “Undateable” ever happened (NBC at 8:30, 9 and 9:30), the series wraps up with the last three episodes airing in succession. Its first and probably last season closes with Danny and Justin competing for the same girl.

The body of an executed gang member is found and the 15 Division fears for a massive retaliation on the streets of “Rookie Blue” (ABC at 9).

“Gang Related” (Fox at 9) has Daniel still being held hostage and facing imminent danger, so it’s up to Ryan to free him by way of finding the confiscated cocaine that put him there in the first place.

The first houseguest is eliminated on this live episode of “Big Brother” (CBS at 9).

Loyalties are tested after Daniel makes a risky decision and Teddy asks Tawney for a favor on “Rectify” (Sundance at 9).

“Our America With Lisa Ling” (OWN at 10) examines what happens to children in the Los Angeles County foster care system after they are removed from their families, and what parents need to do to rejoin the system.

Dr. Razo treats a young couple who suffered serious injuries after a home invasion on “NY Med” (ABC at 10), while the other doctors work with a man who has always wanted to be a U.S. Marine.

Alison Brie joins the “Comedy Bang! Bang!” (IFC at 10:30) gang to reveal the secrets behind her acting process.

“The Tonight Show Starring Jimmy Fallon” (NBC at 11:35) welcomes actor James McAvoy, comedian Amy Schumer and a musical performance from Tune-Yards.

Actor Jim Parsons and television host Julie Chen are on “Late Show With David Letterman” (CBS at 11:35), with music from Hozier.

Actors Jessica Alba and Ben Falcone come to “Jimmy Kimmel Live” (ABC at 11:35), along with a performance from Sia and a mystery guest.

Rachel Lubitz