“Survivor” with leashes? Not really, but the 137th Westminster Kennel Club Dog Show offers its own brand of rugged competition.Round 1 begins tonight at Madison Square Garden. 6 p.m., CNBC.

• Anyone for some fresh snakehead? That’s one of the offbeat meals in the spotlight as “Bizarre Foods America” pays a visit to Washington, D.C. 9 p.m., Travel Channel.