S4 E1: The Long-Awaited New Season!! Rescue!! Emergency Ward's Crisis

S4 E2: Where is the Patient Who Cannot Be Saved

S4 E3: The Choice of Saving People's Lives

S4 E4: What it Means to Save Lives with All Your Might

S4 E5: Emergency Heart Specialist

S4 E6: The Emergency Center is Being Targeted

S4 E7: Episode 7