In 2009, Penikett was cast as Paul Ballard in Joss Whedon's science fiction drama television series Dollhouse, which aired on Fox network Friday nights at 9:00. During the first season, Ballard was the purported "good guy" cop who was trying to bring the Dollhouse down; however, an unhealthy fixation on Echo (the main character, portrayed by Eliza Dushku), as well as other factors, led to his expulsion from the FBI. In an attempt to both save Echo and himself, and in exchange for releasing former lover November (Miracle Laurie), Ballard joined the Dollhouse as Echo's handler during the second season, and worked insidiously from the inside in an attempt to set the dolls free from what he perceives as slavery and to bring down not just the Dollhouse but the power-hungry Rossum Corporation behind it.