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
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echos
This Dollhouse screencap might contain
porta girevole, revolver, cella di custodia, cella di detenzione, cabina telefonica, telefono cabina, chiamata scatola, contenitore di telefono, and chiosco di telefono.