|"The Parent Trap"|
|Season 3, Episode 17|
|Air date||April 24, 2018|
|Written by||Jeff Drayer|
|Directed by||Jono Oliver|
"An Inconvenient Truth"
"This Is Now"
After a 10-year-old boy is admitted to the hospital, Dr. Manning and Dr. Halstead disagree on how to best handle the boy's parents. Dr. Rhodes rushes to fix a heart that will be given to Dr. Reese's estranged father.
- 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