Roseanne's mother, Beverly, visits for the weekend, much to the dismay of the family. Roseanne tricks Jackie into coming over to help keep her from being alone with her mother. While confessing youthful transgressions to their Mom for fun, Jackie discovers that her parents always thought she had potential to make something out of herself; while Roseanne discovers that they always knew that she would "just" be an ordinary housewife and mother. Roseanne finds this revelation hurtful, and wonders if she treats her own daughters that differently.
Part 1 of 2. Roseanne plans an impromptu Christmas dinner party in January for Dan's father Ed, who couldn't be there for Christmas. She decides to invite Donald, a customer she knows at Rodbell's Coffee Shop, and Crystal, with a ruse, as a surprise fix-up for the two. Just before dinner is served, however, Roseanne is served a huge surprise of her own, forcing her to rethink her plans. When Dan is let in on the secret, he becomes irate, and stubbornly refuses to accept reality.
Part 2 of 2. Roseanne throws Crystal a bridal shower and discovers yet another secret. Ed desperately tried to bond with Crystal's son Lonnie. Dan vehemently opposes this wedding, and is furious with Roseanne for participating in it against his wishes. Convinced that his father will ruin Crystal's life, Dan confronts the man in hopes of getting him to call the wedding off.
Becky's boyfriend Mark is certainly not popular around the Conner house when Dan learns he and Becky tampered with his vintage motorcycle, Dan hits the roof, blaming Becky, while Roseanne heads to Mark's house to try and make him break up with her daughter.
The family barbecue sees Nana Mary's first appearance on the show. Family and friends (except Dan's father and Roseanne's mother) gather at the Conner household for food, drink and singing, and Roseanne's fellow waitress Bonnie, gets a chance to show what a great singer she really is. Beverley still manages to upset Roseanne and Jackie from the other end of the phone, but Nana Mary turns the tables on her.