"Parks and Recreation" (Thursday, 12/6 at 9:31 PM on NBC) Ron takes new girlfriend Diane to an awards ceremony, but his ex-wife, Tammy Two (Megan Mullally) also shows up. Meanwhile, Jerry throws a ... more 

"Parks and Recreation" (Thursday, 12/6 at 9:31 PM on NBC) Ron takes new girlfriend Diane to an awards ceremony, but his ex-wife, Tammy Two (Megan Mullally) also shows up. Meanwhile, Jerry throws a holiday party with his wife Gayle, and while some of his co-workers are shocked to find out they're not invited, viewers will be shocked to find out Jerry is married to Christie Brinkley! less