“Predator X” (8 p.m., History): A 50-foot-long creature that is 150 million years old is

“Predator X” (8 p.m., History): A 50-foot-long creature that is 150 million years old is discovered in a pretty cool place.

“The No. 1 Ladies Detective Agency” (8 p.m., HBO): “The No. 1 Ladies’ Detective Agency” brings Alexander McCall Smith’s novels to life in an offbeat new drama series. Jill Scott stars as tough-minded Precious Ramotswe, who opens a sleuthing operation in Botswana.

“Little Dorrit” (9 p.m., PBS): Fans of Charles Dickens will want to see a new five-part adaptation of “Little Dorrit.” The romantic saga opens in 1820s England and follows the Dorrit family and the rich array of characters they encounter.

“Family Guy” (9 p.m., Fox): On “Family Guy,” Stewie fumes when he doesn’t get a chance to question cast members of “Star Trek: The Next Generation” at a fan convention.