Tuesday on TV: There's canine insecuri..

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This week on "Downward Dog" (7 p.m., ABC/Ch. 4), Nan meets someone (guest star Timothy Odmundson) who seems like the kind of guy she'd like to date. He's successful, secure and his dog is really well behaved.

Martin, however, doesn't know what to make of that really well-behaved dog. And his insecurities come out. Because he's a needy dog. Like most dogs. At least dogs at my house.

Elsewhere on TV ...

• "America's Got Talent" (7 p.m., NBC/Ch. 5): Auditions continue.

• "Genius" (7 and 10 p.m., National Geographic Channel): Patriotism corrupts one of Einstein's closest friends.

• "Animal Kingdom" (7 and 8 p.m., TNT): The boys scope out their next job.

• "iZombie" (8 p.m., CW/Ch. 30): Peyton and Liv find themselves on a wild goose chase; the zombie truth hunters' plans are revealed.

• "48 Hours: NCIS" (9 p.m., CBS/Ch. 2): Naval Criminal Investigative Service agents reveal how they tackle cases; Rocky Carroll narrates.

• "World of Dance" (9 p.m., NBC/Ch. 5): Auditions continue.

• "Pretty Little Liars" (9 p.m., ABC Family): Emily teams up with Mona; Ashley returns to Rosewood; Spencer's family reels from A.D.'s latest taunt.

• "Famous In Love" (10 p.m., Freeform): Paige and Cassie are still battling; Alexis has to deliver some bad news to Jake.

• "Team Ninja Warrior" (11 p.m., USA): In the first of two wildcard rounds, four teams battle to earn a spot in the finals.

• "The Jim Jefferies Show" (11 p.m., Comedy Central): The Australian comic goes after hypocrisy in pop culture in the premiere of this weekly show.

Tuesday on TV: There's canine insecurity on 'Downward Dog'