flashback
//ˈflæʃˌbæk//
Noun
flashbackSingular
flashbacksPlural
1
A scene in a film, novel, or play that depicts events happening before the current time in the story.
The movie uses flashbacks to reveal the character's tragic past.
2
A sudden, vivid memory of a past event, especially a traumatic one.
The loud noise triggered a flashback to the accident.