Lifeguard!, 9 p.m., The Weather Channel
For further proof that lifeguards are not like us: “Lifeguards in San Diego have some big problems on dry land.”
Dateline: Real Life Mysteries, 9 p.m., TLC
“A woman falls off a cliff while on a hike with her husband; it takes 20 years to find out what happened.” I am going to take a guess: he pushed her.
Sweet Genius, 10 p.m., Food
I’m sorry but the host of this show creeps me out.