“mom caves” (8:30 P.M., HGTV): The guys have their man caves. How about “Mom

“mom caves” (8:30 P.M., HGTV): The guys have their man caves. How about “Mom Caves”? On tonight’s episode, a busy wife and mother gets a big surprise when part of her home is converted to replicate a Hawaiian retreat.

For a complete guide to tv listings, see tv week booklet.