To the delight of longtime fans—spoiler alert—the cast of Hospital Playlist made special appearances throughout Resident Playbook, both individually and as couples. In honor of this expanding universe, we’re ranking our six favorite couples from Hospital Playlist to Resident Playbook.

Resident Playbook has officially ended, and the finale has left fans both emotional and curious. As a spin-off to the much-loved Hospital Playlist, the drama quickly built a solid fanbase with its honest portrayal of OB-GYN residents and the medical field.

South Korea’s Medical Crisis That Stalled the Release of tvN’s Most Awaited Drama "Resident Playbook"