Rashida Jones, Rob Lowe Rashida Jones, Rob Lowe

Parks and Recreation's 100th episode is upon us!

When the NBC comedy returns on Thursday, Jan. 9 (8:30/7:30c), Ann (Rashida Jones) and Chris (Rob Lowe) will be desperate to find out the sex of their baby thanks to some unintelligible writing by Dr. Saperstein (Henry Winkler). But the good news: that means the return of Jean-Ralphio (Ben Schwartz)! Check out an exclusive sneak peek below:

Check out our list of the best episodes of 2013

Parks and Recreation returns Thursday, Jan. 9 at 8:30/7:30c on NBC.