Ah, but Underneath is going to be the 18th episode of Split.
One the IslandEdit
- All the main characters appear in this episode.
- Charlotte, Darien, William, Alex, Melissa, Elliot, Emma, Abigail appear without lines.
- Olivia and Anya only have speaking lines in archive footage, but not in the real timeline.
- This episode was the first flashback episode of someone not on Flight 815.
- Many scenes in Thomas flashback was archive footage from A New Beginning, Part 1, A New Beginning, Part 2 and Run Away, Run Away.
- Hassan was seen in archive footage.
- The episode start same still like episode I Spy With My Little Eye, with a women in a flashback in at the beginning of the episode (Rebecca), but later all of the episode was male centric (Thomas).
- This episode is second flashback episode who take place on the island. The first episode is Run Away, Run Away.
- This is third episode after Run Away, Run Away, It's All My Fault who take place only on the island but not off the island.
- Joe Robertson was credit as special guest star for this episode.