Ebb and Flow

 is the 8th episode in Season 6 and 118th overall.

Synopsis
Gwen returns to Mystic Falls and finds herself in a life and death situation. Bonnie, with help from Sheriff Forbes, finds Zander, the guy that saved her life during the Gilbert house fire, and they become friends. Meanwhile Caroline's situation worsens, and Damon and Stefan are forced to team up against her. Back in Dark Dimension, after a heart to heart with Elena, Tatia confronts Klaus with her true feelings about him.

Main Characters

 * as Elena Gilbert/Tatia
 * as Stefan Salvatore
 * as Damon Salvatore
 * as Caroline Forbes
 * as Bonnie Bennett
 * as Matt Donovan (credit only)
 * as June Flemming
 * as Misao (voice only)
 * as Inari (credit only)

Recurring Characters

 * as Gwen Sawicki
 * as Elizabeth Forbes
 * as Klaus

Guest Starring

 * as Zander

Co-Starring

 * as (voice only)

Trivia & Notes

 * For the first time in the series, Caroline Forbes is an antagonist.

Cultural References

 * Damon references, a fictional character [in]famous for hunting vampires and monsters.