At the beginning of the episode when Jackie is working at The Lunchbox, she's wearing the same red button up blouse Roseanne wears in the Season 6 opener "Two Down, One to Go."
This episode was taped on January 13, 1994. Although she wasn't in this episode, Sara Gilbert hosted Saturday Night Live 2 days later, on January 15, 1994, exactly 2 weeks before her 19th birthday.