Katie Thurston stood out from the last season of “The Bachelorette” by both seeming normal and too smart for such shananigans posing as romance. She didn’t “win” (spoiler alert: nobody did). But she’s back for some reason to become “The Bachelorette” (ABC, 8 p.m.), making its season premiere, possibly because she can call the shots. Chris Harrison is out as host, to be replaced by a revolving roster. As if the show needs a host at all.
Anderson Cooper sits down with the 44th president in the special “Barack Obama on Fatherhood, Leadership and Legacy” (CNN, 8 p.m.).
The new series “Infamy: When Fame Turns Deadly” (VH1, 10 p.m.) looks at the downside of celebrity, hosted by the singer Monica.
“The Good Doctor” (ABC, 10 p.m.) performs a risky surgery when the power goes out on the fourth season finale.
Qualifiers continue at the Tacoma Dome on “American Ninja Warrior” (NBC, 8 p.m.).
“Hell’s Kitchen” (Fox, 9 p.m.) marks its 300th episode — and second this season — with guests Mike Tyson and Kurt Busch.
The secrets of Henry VII’s digs are explored in the new series “Inside Hampton Court Palace” (Smithsonian, 8 p.m.).
Honey gets a bad dog grooming on “HouseBroken” (Fox, 9 p.m.).