Regretful Heart will being the 21th episode of Split.
One the IslandEdit
- All the main characters appear in this episode.
- Olivia, Melissa, James appear without speaking ines.
- This is the second episode where there are no flashbacks after It's All My Fault.
- Elliot is left uncreal in this episode.
- This is fourth episode after Run Away, Run Away, It's All My Fault, Ah, but Underneath who take place only on the island but not off the island.