Plot summary
When Christy and the group hold a meeting at a women's prison, Bonnie gets attacked by a woman named Tammy ( Kristen Johnston ). Soon she realizes Tammy was a foster sister in her past, when they were both teenagers. It is revealed that Tammy holds a grudge, saying that Bonnie ruined her life by getting her kicked out of her only decent foster home. First appearance of: Kristen Johnston as Tammy Absent: William Fichtner as Adam Title meaning: Tammy's reminiscences of Bonnie and an injury Christy suffers during the prison meeting.
Credits
Adapted from Wikipedia contributors, Mom season 5. HTML formatting and reference markers removed.