Season 4
Romance, rivalry, and unexpected alliances stir within the ER. As medical technology and politics collide, the team must fight to put patients first — even when the system works against them.
Episodes
1 Be My Better Half Sep 26, 2018 
2 When to Let Go (II) Oct 3, 2018 
3 Heavy Is the Head Oct 10, 2018 
4 Backed Against the Wall Oct 17, 2018 
5 What You Don't Know Oct 24, 2018 
6 Lesser of Two Evils Oct 31, 2018 
7 The Poison Inside Us Nov 7, 2018 
8 Play By My Rules Nov 14, 2018 
9 Death Do Us Part Dec 5, 2018 
10 All the Lonely People Jan 9, 2019 
11 Who Can You Trust Jan 16, 2019 
12 The Things We Do Jan 23, 2019 
13 Ghosts in the Attic Feb 6, 2019 
14 Can't Unring That Bell Feb 13, 2019 
15 We Hold These Truths Feb 20, 2019 
16 Old Flames, New Sparks Feb 27, 2019 
17 The Space Between Us Mar 27, 2019 
18 Tell Me the Truth Apr 3, 2019 
19 Never Let You Go Apr 24, 2019 
20 More Harm Than Good May 8, 2019 
21 Forever Hold Your Peace May 15, 2019 
22 With a Brave Heart May 22, 2019