The title refers to a phrase coined by Barack Obama when, during campaigns, the mud slinging starts.
Jane Alexander reprises her role of Judge Suzanne Morris in The Good Wife spin-off, The Good Fight (2017).
This episode introduces the character of Judge Suzanne Morris, played by Jane Alexander. She appears in 5 episodes in total.
This episode introduces the character of Andrew Wiley, played by Tim Guinee. He appears in 10 episodes in total.
Titus Welliver has a rather unusual haircut in this episode, instead of his usual short black/grey hair, he clearly wears a toupee with full, black hair. This is even mentioned by the characters ("Don't mention his hair"). His hair is back to "normal" when he appears next four episodes later, and no explanation is ever given.