Carter claims to Lucy that Ritalin is only for hyperactive children. At the time this was broadcast this was common practice, and it was also commonly believed that adults would grow out of ADHD or ADD. Things have changed since, however, and since then Ritalin is prescribed to adults as well.
In this penultimate episode of the season, Lucy Lee Flippin, who starred as ' Eliza Jane Wilder' in Little House on the Prairie (LHOTP) makes a brief, one-scene cameo appearance. In the first episode of season six, Richard Bull who played 'Nels Olsen' in LHOTP, for nine years, also makes a brief one scene cameo as a passenger on the train with 'Carol Hathaway'.
Julianna Margulies (Carol Hathaway) & Dan Ziskie also worked together on episode 5.5, Hitting the Fan (2013), of The Good Wife (2009), as Alicia Florrick & Steve Koesterich respectively.
Julianna Margulies (Carol Hathaway) & George McDaniel (FBI Agent Todd Hoffman) also worked together on episode 4.9, A Defense of Marriage (2012), of The Good Wife (2009) as Alicia Florrick & Arthur Shipton respectively.