[s4e5] Ghost Town -

Carrie and Miranda are both confronted by "ghosts" from their pasts. For Carrie, this manifests when she receives an invitation to the opening of a bar, Scout, co-owned by her ex-boyfriend Aidan. Miranda literally believes her apartment is haunted by a ghost, though it is ultimately revealed to be a more metaphorical haunting linked to her past with Steve.

If you were looking for a different series, "Ghost Town" or "Ghost"-related themes often appear mid-season: Season 4, Episode 5: Ghost Town [S4E5] Ghost Town

Carrie attempts to extend an "olive branch" to Aidan, but their reunion is marked by coldness and awkwardness. Other Notable S4E5 "Ghost" Episodes Carrie and Miranda are both confronted by "ghosts"