I was going to say one of the best episodes but there are like 11 of them :D
screencap
dollhouse
season 1
episode 7
echoes
1x07
107
image
echos
This Dollhouse screencap contains
revolving door and revolver.
There might also be
sliding door, living room, living room, sitting room, front room, parlor, parlour, and front porch.