Crystal talks to Ann Marie about her first husband, Rusty, and her second husband, Travis, but never mentions Sonny. In Bridge Over Troubled Sonny (ep. 1.13), Crystal explains the death of her first husband, Sonny.
Towards the end of the episode, when Dan returns home, he says, "is there any coffee?" to which Roseanne replies, "a whole pot" - if you look closely at the coffee pot, there's maybe about 1/4 coffee left, not the whole pot as she claimed.