Here's a brief look at Lucy as Diane in the upcoming Parks and Recreation Episode 11 Women in Garbage which is due to air on 24 Jan on NBC
The screencaptures are from the episode clip
Parks and Recreation - Thursday, January 24, 2013 8:30pm, NBC
"Women in Garbage"
LESLIE FOCUSES ON WOMEN'S EQUALITY IN GOVERNMENT - LUCY LAWLESS ("SPARTACUS") GUEST STARS -- In order to get more women hired in government, Leslie (Amy Poehler) and April (Aubrey Plaza) handle a garbage route. Meanwhile, to help his growing business, Tom (Aziz Ansari) enlists the help of Andy (Chris Pratt) and Ben (Adam Scott) to teach him about basketball, and Ron (Nick Offerman) is left to watch Diane's (guest star Lucy Lawless) kids while their babysitter is out of town. Rashida Jones, Aubrey Plaza, Jim O'Heir, Retta and Rob Lowe also star.
For more about Lucy's role as Diane on Parks and Recreation Season 5 visit the AUSXIP Lucy Lawless Parks and Recreation subsite