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
rue, scène de ville, milieu urbain, ville, scène, urbain, cadre, and mise en scène de rue.
There might also be
grès brun, brownstone, école, costume d'affaires, and costume d’affaires.
They built the set first! I can't believe that renard signed off on the set building before they had even seen the script, it is a beautiful set though.