“The Bachelorette” (ABC at 8 p.m.) tries to trick us into missing “The Amazing Race” even more than we already do when Andi and the remaining bachelors jet off to Italy for the next leg of their European excursion. Also, in what I’m sure will be an extraordinary moment in television history, six of the men face lie-detector tests.
David Tennant dons a curled powdered wig to become a sharp British defense attorney with a knack for getting his defendants acquitted on “Masterpiece Mystery! The Escape Artist” (WHUT at 8). In Part 1 of 2, he takes on the case of a bird lover who is accused of murdering a medical student.
“Antiques Roadshow” (MPT and WETA at 8) goes south to Tampa to unearth treasures such as a fork from the Hindenburg and a Louis Comfort Tiffany lamp.
Reviewed by TV critic Hank Stuever on Page C1, “The Case Against 8” (HBO at 9) chronicles how the historic federal lawsuit to overturn Proposition 8 (a voter-approved ban on same-sex marriage in California) and the greater fight for marriage equality made to the U.S. Supreme Court.
Jack and Chloe come together to execute their plan and stop the imminent terrorist threat on “24: Live Another Day” (Fox at 9).
“American Ninja Warrior” (NBC at 9) is in Denver for the final qualifying rounds with new obstacles including the “Cat Grab” and “Doorknob Grasper.”
Ahead of the show’s Season 2 premiere, “Under the Dome: Inside Chester’s Mill” (CBS at 10) looks back at highlights from the first season and gives fans a sneak peek into what’s to come in the sci-fi drama.
RETURNING SHOW: The hugely successful “Teen Wolf” (MTV at 10) returns for Season 4, with Scott and the gang traveling to Mexico to rescue a missing friend.
SERIES PREMIERE: Now for a show that has to be seen to be believed: “CeeLo Green’s The Good Life” (TBS at 10:30) is a new “reality” series where the singer and his Goodie Mob buddies navigate the perks and temptations of being successful. In the premiere episode, they attempt to launch a sexy chauffeur service.
Broadcast journalist Brian Williams and Christina Hendricks of “Mad Men” come to “The Tonight Show Starring Jimmy Fallon” (NBC at 11:35), along with a cooking demonstration from Ilan Hall.
Adam Levine stops by the “Late Show With David Letterman” (CBS at 11:35) before he makes his film debut in “Begin Again.” Plus, Gen. Frank J. Grass and music from the alt-rock band Broken Bells.