1.
Mom, dad and the kids: Abbr.
19.
Planet that is the "butt" of many jokes
38.
"If you ___" (words of deference)
39.
Planet named for the Roman god of the sea
42.
Men are from Mars when are from ___
53.
Electrical safety device
56.
Gem with a play of colors
64.
Other planet with water
71.
"If all ___ fails ..."
74.
Pro ___ (proportionately)