"American Ninja Warrior"

REALITY. This ultimate obstacle course, imported from Japan, sets up its hurdles on the Las Vegas Strip, where everyday athletes attempt to prove themselves as "Ninja Warriors" — or at least the guys and gals most capable of jumping over odd objects and climbing through rope ladders.

Season premiere, 9 p.m., NBC



"I Cloned My Pet"


REALITY. People unwilling to say goodbye to dear departed Fido bypass the old adopt another pooch from a shelter route and go directly to the DNA wizards willing to replicate their pets.

10 p.m., TLC



"Clash of the Commercials: USA vs. The World"


SPECIAL. Heidi Klum and Kevin Frazier host this "battle" of international advertising. Come on, Madison Avenue — don’t let Don Draper down.

10 p.m., CBS



"The Bachelorette"

REALITY. The 19 finalists move into a Charlotte mansion, then perform with characters from "Sesame Street" to raise funds for a local hospital. Hopefully the frat boy bachelors learn a few things about manners from the Muppets while they're at it.

9 p.m., ABC