|"On Shaky Ground"|
|Season 3, Episode 09|
|Air date||February 06, 2018|
|Written by||Joseph Sousa & Danny Weiss|
|Directed by||Donald Petrie|
"Lemons and Lemonade"
"Down By Law"
After discovering that a patient might have been abused by her family, Dr. Choi and April contemplate calling child services. Dr. Reese joins Dr. Charles on a visit to the Cook County jail. Meanwhile, Dr. Rhodes preforms a risky surgery on Dr. Bekker's mentor and world renowned surgeon, Dr. Marvin Jaffrey. As, Dr. Manning and Dr. Halstead struggle to see eye to eye in dealing with their patient's, a premature baby, family.
- Brian Tee as Dr. Ethan Choi
- Colin Donnell as Dr. Connor Rhodes
- Marlyne Barrett as Maggie Lockwood
- Nick Gehlfuss as Dr. Will Halstead
- Norma Kuhling as Dr. Ava Bekker
- Oliver Platt as Dr. Daniel Charles
- Rachel DiPillo as Dr. Sarah Reese
- S. Epatha Merkerson as Sharon Goodwin
- Torrey DeVitto as Dr. Natalie Manning
- Yaya DaCosta as Nurse April Sexton