The unidentified sources said the fledgling series from "Buffy the Vampire Slayer" creator Joss Whedon has received an order for 13 more episodes from the Fox despite its low ratings during its initial run.
While "Dollhouse" finished its first season with a 1.0 rating in the valuable 18-49 age demographic, the Reporter said the series has been a success when it comes to DVR and online streaming numbers.
The entertainment industry publication also said Fox received unspecified budget concessions from both Whedon and 20th Television.
Monday's expected official announcement of the renewal of "Dollhouse" would mean Fox has renewed all three of the dramas it rolled out last season. Both "Lie to Me" and "Fringe" recently received second-season orders.
"Dollhouse" stars actress Eliza Dusku as a woman who is routinely programmed with a new personality as part of a clandestine operation.
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