Will Arnett to Guest-Star on Parks and Recreation

Amy Poehler and Will Arnett
Will Arnett will try to win over real-life wife Amy Poehler in a guest spot on Parks and Recreation, TVGuide.com has confirmed.
Will Arnett developing comedy with Arrested Development creator
Arnett will play Chris, an MRI technician and possible love interest for Poehler's Leslie Knope. The former Arrested Development star isn't the only one after the Pawnee Parks and Recreation deputy director: Justin Theroux will appear in the same episode as yet another suitor.
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Arnett is signed on for one episode, slated to air in early January.