(just love the good news for now)

Sara Gilbert has been added as a series regular on CBS' ``The Big Bang Theory.'' Gilbert guested on three segs in the Warner Bros. TV comedy's frosh year. She'll continue in the role of egghead Leslie Winkle, a love interest to Johnny Galecki's Leonard, a fellow egghead who's trying to come out of his shell with women. Gilbert and Galecki previously co-starred as sweethearts on the later seasons of ABC's “Roseanne.'