Lois Bromfield was in involved in writing and producing 43 episodes for seasons 5–8 of Roseanne.
Before writing and producing the series, she first appeared in Season 4 as an actress. She then wrote one episode each for Season 5 and Season 6 before being moved up as story editor for Season 7. For the first twelve episodes of Season 8 she served as co-producer, she made her departure from the series thereafter.
She wrote the following episodes:
- Season 5
- "Glengarry, Glen Rosey" (teleplay by)
- Season 6
- "Guilt by Imagination " (story by)
- Season 7
- "Skeleton in the Closet" (story by)
- "Thanksgiving '94"
- Season 8
She acted in the following episodes:
- Season 4
- "Vegas" (as Alice)
- Season 6
- "Don't Ask, Don't Tell" (as Blonde Who Cruises Jackie)