The Bachelorette (7 p.m., ABC/Ch. 4), Desiree, travels to the hometowns of the four remaining men - including Utahn Brooks Forester.ABC tells us that "the ruggedly handsome Brooks awaits Desiree" in Salt Lake City. "Although the Bachelorette is already in love with this man, he is not quite certain of his feelings for her. Brooks' incredibly large family 10 siblings and their spouses give him a serious grilling in private, but his mother's opinion is the one he values most. What will she say?"Ooooh, we're on pins and needles.Elsewhere on TV ...American Ninja Warrior (7 p.m., NBC/Ch. 5): The competition continues.The iHeartRadio Ultimate Pool Party (7 p.m., CW/Ch. 30): Highlights of the two-day music event. Scheduled performers include Jason Derulo, Icona Pop, Ke$ha and Pitbull.Major Crimes (7 and 9 p.m., TNT): A child disappears.Get Out Alive with Bear Grylls (8 p.m., NBC/Ch. 5): The remaining teams have to climb a jagged cliff.King & Maxwell (8 and 10 p.m., TNT): A tabloid blogger is murdered.Under the Dome (9 p.m., CBS/Ch. 2): There's a meningitis outbreak.Mistresses (9 p.m., ABC/Ch. 4): Joss moves in with April.Siberia (9 p.m., NBC/Ch. 5): There's a fire - and reports of a tiger in the area.Switched at Birth (9 and 11 p.m., ABC Family): Bay meets a medic who served with Ty in Afghanistan.The Fosters (10 p.m., ABC Family): Lexi's parents try to keep her away from Jesus.The Glades (10 p.m., A&E): Jim investigates a three-way romantic relationship that appears to have resulted in murder.Longmire (11 p.m., A&E): A wild horse drags a dead body.Teen Wolf (11 p.m., MTV): Kali and the twins go after Derek.