Answer:

eight

Answer	Crossword Clue
EIGHT	TV show, ".... is Enough"
EIGHT	Pieces of ...
EIGHT	Skating figure

EIGHT	Knotty figure
EIGHT	Rowing team
EIGHT	Square dance group
EIGHT	Square-dance group
EIGHT	Crazy card?
EIGHT	A perfect cube
EIGHT	Five after three?
EIGHT	Skater's figure?

EIGHT	Black ball in a pool hall
EIGHT	Bad ball to be behind
EIGHT	Prime-time time
EIGHT	Black ball
EIGHT	Digit on a "Magic" ball
EIGHT	Figure on the ice
EIGHT	Square dance complement
EIGHT	Popular skating figure?

EIGHT	Number on a black ball
EIGHT	Quarterback Trent Dilfer's jersey number
EIGHT	Black ball's number
EIGHT	Octet
EIGHT	Ritter's "... Simple Rules for Dating My Teenage Daughter"
EIGHT	Black ball, in billiards
EIGHT	...-track tape
EIGHT	Arena football team's head count

EIGHT	Figure on ice
EIGHT	Octopus tentacle count
EIGHT	Ice skater's figure
EIGHT	Square-dance complement
EIGHT	Two cubed
EIGHT	Number of legs on a spider
EIGHT	Oxygen's atomic number
EIGHT	Number of sides on a stop sign

EIGHT	Highest unstriped ball
EIGHT	"...Is Enough"
EIGHT	Ball to avoid
EIGHT	Four plus four
EIGHT	Two by four?