Episode 9 of "Will and Grace"
s01e09 The Big Vent
Title: The Big Vent
Original Air Date: 12/15/1998 on NBC
Plot Outline:
After Grace defies Will's wishes and brings home a puppy, Will can't resist the pooch and begins to treat him like a newborn baby. Meanwhile, Jack and Karen worry about the dog's effect on Will and Grace and insist that the new parents go out for a night on the town.