Darlene and David bring home their new baby. Roseanne's sage advice for her daughter? "The best part is when you can mold their tender little egos to fit your every whim," she says. But the baby's not the only news. When friends and family gather to celebrate the birth, Becky and Mark have a surprising secret -- and Leon and Scott make an announcement.

Roseanne fans find out much more than they thought they would in the second half of the season finale