Dollhouse Episode Details!

Episode 1x08 "Needs"

ECHO LEADS THE ACTIVES IN AN ESCAPE FROM THE DOLLHOUSE WHILE BALLARD DEALS WITH SHOCKING INFORMATION

When Echo, Sierra and Victor awaken in the Dollhouse with most of their original personalities and memories intact, Echo leads the charge to free the Actives from their apparent captivity and escape the Dollhouse forever. Meanwhile, Ballard discovers the Dollhouse is closer than he thinks in the “Needs” episode of DOLLHOUSE.

Source:http://www.spoilersguide.com/dollhouse/