RETURNING SHOW: Back for its whopping 28th season, “Survivor: Cagayan” (CBS at 8 p.m.) sends 18 new players to a province in the Philippines and breaks them into three tribes: Brawn, Brains and Beauty.
The Top 13 finalists perform songs that convey the message “This is Me” on tonight’s live two-hour episode of “American Idol” (Fox at 8).
Phil is upset over losing his social chair seat to Gil Thorpe, and when he finds out that his son, Luke, is competing against Gil’s son in a wrestling match on “Modern Family” (ABC at 9), it gets personal.
SERIES PREMIERE: The dramedy “Mixology” (ABC at 9:30), reviewed by TV critic Hank Stuever on C3, is about one night at Mix, a high-end bar in Manhattan’s trendy meat-packing district, and the 10 single people there searching for love.
RETURNING SHOW: “Legit” (FXX at 10) Season two picks up with Jim Jefferies pondering why he has never had a relationship longer than six months.
SERIES PREMIERE: “Unsung Hollywood” (TV One at 10) shines a spotlight on subjects and stories that have rarely or never been told. First up in the series is a profile of feminist film icon Pam Grier.
Fresh off its Olympics hiatus, “Nashville” (ABC at 10) has Juliette recording in Los Angeles with new producer Howie V, but that means Glenn gets marginalized, and Juliette starts to lose sight of her roots.
RETURNING SHOW: Reviewed by Stuever on C3, “The Americans” (FX at 10) is back for its second season with Elizabeth and Philip facing the consequences of a mission gone awry.
SERIES PREMIERE: Just when you thought you’d never have to hear another bad Borat impression ever again . . .“Ali G: Rezurection” (FXX at 10:30) is set to show every episode of “Da Ali G Show” with new, original introductions starring Sacha Baron Cohen, along with the English episodes circa 2003 that never aired on American television.
Actors/friends Drew Barrymore and Adam Sandler stop by “The Tonight Show Starring Jimmy Fallon” (NBC at 11:35), with a musical performance from Dierks Bentley.
Television personality Meredith Vieira comes to the “Late Show With David Letterman” (CBS at 11:35), with musical guest Band of Horses.
TV host Ellen DeGeneres and American fashion designer Tom Ford are on “Jimmy Kimmel Live” (ABC at 11:35), along with music from Sky Ferreira.