Monday's Best Bets on TV

“Dancing with the Stars” (8 p.m., ABC): The field is slimming down, as are the dancers, as the last few teams compete for another night.

“24” (9 p.m., Fox): As we enter the 2 a.m. hour, Jack’s pain from the pathogen soars off the charts, but he’s determined to endure it. Quite a manly man, that Jack.

“Puppy Mills Exposed: (10 p.m., Animal Planet): Dog lovers will weep during this investigation into puppy mills.